18739945728

素因数分解:

$2^8\times 3^3\times 7^2\times {\mathrm{55331}}^1$

素因数の和:55370

約数の個数: 216

約数和(自身を含む): 64466206560

約数和(自身を除く): 45726260832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 84, 96, 98, 108, 112, 126, 128, 144, 147, 168, 189, 192, 196, 216, 224, 252, 256, 288, 294, 336, 378, 384, 392, 432, 441, 448, 504, 576, 588, 672, 756, 768, 784, 864, 882, 896, 1008, 1152, 1176, 1323, 1344, 1512, 1568, 1728, 1764, 1792, 2016, 2304, 2352, 2646, 2688, 3024, 3136, 3456, 3528, 4032, 4704, 5292, 5376, 6048, 6272, 6912, 7056, 8064, 9408, 10584, 12096, 12544, 14112, 16128, 18816, 21168, 24192, 28224, 37632, 42336, 48384, 55331, 56448, 84672, 110662, 112896, 165993, 169344, 221324, 331986, 338688, 387317, 442648, 497979, 663972, 774634, 885296, 995958, 1161951, 1327944, 1493937, 1549268, 1770592, 1991916, 2323902, 2655888, 2711219, 2987874, 3098536, 3485853, 3541184, 3983832, 4647804, 5311776, 5422438, 5975748, 6197072, 6971706, 7082368, 7967664, 8133657, 9295608, 10457559, 10623552, 10844876, 11951496, 12394144, 13943412, 14164736, 15935328, 16267314, 18591216, 20915118, 21247104, 21689752, 23902992, 24400971, 24788288, 27886824, 31870656, 32534628, 37182432, 41830236, 42494208, 43379504, 47805984, 48801942, 49576576, 55773648, 63741312, 65069256, 73202913, 74364864, 83660472, 86759008, 95611968, 97603884, 99153152, 111547296, 127482624, 130138512, 146405826, 148729728, 167320944, 173518016, 191223936, 195207768, 223094592, 260277024, 292811652, 297459456, 334641888, 347036032, 382447872, 390415536, 446189184, 520554048, 585623304, 669283776, 694072064, 780831072, 892378368, 1041108096, 1171246608, 1338567552, 1561662144, 2082216192, 2342493216, 2677135104, 3123324288, 4684986432, 6246648576, 9369972864, 18739945728]

約数ペア:

[(1, 18739945728), (2, 9369972864), (3, 6246648576), (4, 4684986432), (6, 3123324288), (7, 2677135104), (8, 2342493216), (9, 2082216192), (12, 1561662144), (14, 1338567552), (16, 1171246608), (18, 1041108096), (21, 892378368), (24, 780831072), (27, 694072064), (28, 669283776), (32, 585623304), (36, 520554048), (42, 446189184), (48, 390415536), (49, 382447872), (54, 347036032), (56, 334641888), (63, 297459456), (64, 292811652), (72, 260277024), (84, 223094592), (96, 195207768), (98, 191223936), (108, 173518016), (112, 167320944), (126, 148729728), (128, 146405826), (144, 130138512), (147, 127482624), (168, 111547296), (189, 99153152), (192, 97603884), (196, 95611968), (216, 86759008), (224, 83660472), (252, 74364864), (256, 73202913), (288, 65069256), (294, 63741312), (336, 55773648), (378, 49576576), (384, 48801942), (392, 47805984), (432, 43379504), (441, 42494208), (448, 41830236), (504, 37182432), (576, 32534628), (588, 31870656), (672, 27886824), (756, 24788288), (768, 24400971), (784, 23902992), (864, 21689752), (882, 21247104), (896, 20915118), (1008, 18591216), (1152, 16267314), (1176, 15935328), (1323, 14164736), (1344, 13943412), (1512, 12394144), (1568, 11951496), (1728, 10844876), (1764, 10623552), (1792, 10457559), (2016, 9295608), (2304, 8133657), (2352, 7967664), (2646, 7082368), (2688, 6971706), (3024, 6197072), (3136, 5975748), (3456, 5422438), (3528, 5311776), (4032, 4647804), (4704, 3983832), (5292, 3541184), (5376, 3485853), (6048, 3098536), (6272, 2987874), (6912, 2711219), (7056, 2655888), (8064, 2323902), (9408, 1991916), (10584, 1770592), (12096, 1549268), (12544, 1493937), (14112, 1327944), (16128, 1161951), (18816, 995958), (21168, 885296), (24192, 774634), (28224, 663972), (37632, 497979), (42336, 442648), (48384, 387317), (55331, 338688), (56448, 331986), (84672, 221324), (110662, 169344), (112896, 165993)]