19945535904

素因数分解:

$2^5\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{35461}}^1$

素因数の和:35521

約数の個数: 240

約数和(自身を含む): 69203667456

約数和(自身を除く): 49258131552

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 72, 81, 84, 93, 96, 108, 112, 124, 126, 144, 162, 168, 186, 189, 216, 217, 224, 248, 252, 279, 288, 324, 336, 372, 378, 432, 434, 496, 504, 558, 567, 648, 651, 672, 744, 756, 837, 864, 868, 992, 1008, 1116, 1134, 1296, 1302, 1488, 1512, 1674, 1736, 1953, 2016, 2232, 2268, 2511, 2592, 2604, 2976, 3024, 3348, 3472, 3906, 4464, 4536, 5022, 5208, 5859, 6048, 6696, 6944, 7812, 8928, 9072, 10044, 10416, 11718, 13392, 15624, 17577, 18144, 20088, 20832, 23436, 26784, 31248, 35154, 35461, 40176, 46872, 62496, 70308, 70922, 80352, 93744, 106383, 140616, 141844, 187488, 212766, 248227, 281232, 283688, 319149, 425532, 496454, 562464, 567376, 638298, 744681, 851064, 957447, 992908, 1099291, 1134752, 1276596, 1489362, 1702128, 1914894, 1985816, 2198582, 2234043, 2553192, 2872341, 2978724, 3297873, 3404256, 3829788, 3971632, 4397164, 4468086, 5106384, 5744682, 5957448, 6595746, 6702129, 7659576, 7695037, 7943264, 8794328, 8936172, 9893619, 10212768, 11489364, 11914896, 13191492, 13404258, 15319152, 15390074, 17588656, 17872344, 19787238, 20106387, 22978728, 23085111, 23829792, 26382984, 26808516, 29680857, 30638304, 30780148, 35177312, 35744688, 39574476, 40212774, 45957456, 46170222, 52765968, 53617032, 59361714, 61560296, 69255333, 71489376, 79148952, 80425548, 89042571, 91914912, 92340444, 105531936, 107234064, 118723428, 123120592, 138510666, 158297904, 160851096, 178085142, 184680888, 207765999, 214468128, 237446856, 246241184, 277021332, 316595808, 321702192, 356170284, 369361776, 415531998, 474893712, 554042664, 623297997, 643404384, 712340568, 738723552, 831063996, 949787424, 1108085328, 1246595994, 1424681136, 1662127992, 2216170656, 2493191988, 2849362272, 3324255984, 4986383976, 6648511968, 9972767952, 19945535904]

約数ペア:

[(1, 19945535904), (2, 9972767952), (3, 6648511968), (4, 4986383976), (6, 3324255984), (7, 2849362272), (8, 2493191988), (9, 2216170656), (12, 1662127992), (14, 1424681136), (16, 1246595994), (18, 1108085328), (21, 949787424), (24, 831063996), (27, 738723552), (28, 712340568), (31, 643404384), (32, 623297997), (36, 554042664), (42, 474893712), (48, 415531998), (54, 369361776), (56, 356170284), (62, 321702192), (63, 316595808), (72, 277021332), (81, 246241184), (84, 237446856), (93, 214468128), (96, 207765999), (108, 184680888), (112, 178085142), (124, 160851096), (126, 158297904), (144, 138510666), (162, 123120592), (168, 118723428), (186, 107234064), (189, 105531936), (216, 92340444), (217, 91914912), (224, 89042571), (248, 80425548), (252, 79148952), (279, 71489376), (288, 69255333), (324, 61560296), (336, 59361714), (372, 53617032), (378, 52765968), (432, 46170222), (434, 45957456), (496, 40212774), (504, 39574476), (558, 35744688), (567, 35177312), (648, 30780148), (651, 30638304), (672, 29680857), (744, 26808516), (756, 26382984), (837, 23829792), (864, 23085111), (868, 22978728), (992, 20106387), (1008, 19787238), (1116, 17872344), (1134, 17588656), (1296, 15390074), (1302, 15319152), (1488, 13404258), (1512, 13191492), (1674, 11914896), (1736, 11489364), (1953, 10212768), (2016, 9893619), (2232, 8936172), (2268, 8794328), (2511, 7943264), (2592, 7695037), (2604, 7659576), (2976, 6702129), (3024, 6595746), (3348, 5957448), (3472, 5744682), (3906, 5106384), (4464, 4468086), (4536, 4397164), (5022, 3971632), (5208, 3829788), (5859, 3404256), (6048, 3297873), (6696, 2978724), (6944, 2872341), (7812, 2553192), (8928, 2234043), (9072, 2198582), (10044, 1985816), (10416, 1914894), (11718, 1702128), (13392, 1489362), (15624, 1276596), (17577, 1134752), (18144, 1099291), (20088, 992908), (20832, 957447), (23436, 851064), (26784, 744681), (31248, 638298), (35154, 567376), (35461, 562464), (40176, 496454), (46872, 425532), (62496, 319149), (70308, 283688), (70922, 281232), (80352, 248227), (93744, 212766), (106383, 187488), (140616, 141844)]