18420696

素因数分解:

$2^3\times 3^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:187

約数の個数: 160

約数和(自身を含む): 61332480

約数和(自身を除く): 42911784

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 31, 36, 42, 54, 56, 62, 63, 72, 81, 84, 93, 108, 124, 126, 131, 162, 168, 186, 189, 216, 217, 248, 252, 262, 279, 324, 372, 378, 393, 434, 504, 524, 558, 567, 648, 651, 744, 756, 786, 837, 868, 917, 1048, 1116, 1134, 1179, 1302, 1512, 1572, 1674, 1736, 1834, 1953, 2232, 2268, 2358, 2511, 2604, 2751, 3144, 3348, 3537, 3668, 3906, 4061, 4536, 4716, 5022, 5208, 5502, 5859, 6696, 7074, 7336, 7812, 8122, 8253, 9432, 10044, 10611, 11004, 11718, 12183, 14148, 15624, 16244, 16506, 17577, 20088, 21222, 22008, 23436, 24366, 24759, 28296, 28427, 32488, 33012, 35154, 36549, 42444, 46872, 48732, 49518, 56854, 66024, 70308, 73098, 74277, 84888, 85281, 97464, 99036, 109647, 113708, 140616, 146196, 148554, 170562, 198072, 219294, 227416, 255843, 292392, 297108, 328941, 341124, 438588, 511686, 594216, 657882, 682248, 767529, 877176, 1023372, 1315764, 1535058, 2046744, 2302587, 2631528, 3070116, 4605174, 6140232, 9210348, 18420696]

約数ペア:

[(1, 18420696), (2, 9210348), (3, 6140232), (4, 4605174), (6, 3070116), (7, 2631528), (8, 2302587), (9, 2046744), (12, 1535058), (14, 1315764), (18, 1023372), (21, 877176), (24, 767529), (27, 682248), (28, 657882), (31, 594216), (36, 511686), (42, 438588), (54, 341124), (56, 328941), (62, 297108), (63, 292392), (72, 255843), (81, 227416), (84, 219294), (93, 198072), (108, 170562), (124, 148554), (126, 146196), (131, 140616), (162, 113708), (168, 109647), (186, 99036), (189, 97464), (216, 85281), (217, 84888), (248, 74277), (252, 73098), (262, 70308), (279, 66024), (324, 56854), (372, 49518), (378, 48732), (393, 46872), (434, 42444), (504, 36549), (524, 35154), (558, 33012), (567, 32488), (648, 28427), (651, 28296), (744, 24759), (756, 24366), (786, 23436), (837, 22008), (868, 21222), (917, 20088), (1048, 17577), (1116, 16506), (1134, 16244), (1179, 15624), (1302, 14148), (1512, 12183), (1572, 11718), (1674, 11004), (1736, 10611), (1834, 10044), (1953, 9432), (2232, 8253), (2268, 8122), (2358, 7812), (2511, 7336), (2604, 7074), (2751, 6696), (3144, 5859), (3348, 5502), (3537, 5208), (3668, 5022), (3906, 4716), (4061, 4536)]