18902525568

素因数分解:

$2^7\times 3^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1\times {\mathrm{1171}}^1$

素因数の和:1646

約数の個数: 128

約数和(自身を含む): 50801418240

約数和(自身を除く): 31898892672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 127, 128, 192, 254, 331, 381, 384, 508, 662, 762, 993, 1016, 1171, 1324, 1524, 1986, 2032, 2342, 2648, 3048, 3513, 3972, 4064, 4684, 5296, 6096, 7026, 7944, 8128, 9368, 10592, 12192, 14052, 15888, 16256, 18736, 21184, 24384, 28104, 31776, 37472, 42037, 42368, 48768, 56208, 63552, 74944, 84074, 112416, 126111, 127104, 148717, 149888, 168148, 224832, 252222, 297434, 336296, 387601, 446151, 449664, 504444, 594868, 672592, 775202, 892302, 1008888, 1162803, 1189736, 1345184, 1550404, 1784604, 2017776, 2325606, 2379472, 2690368, 3100808, 3569208, 4035552, 4651212, 4758944, 5380736, 6201616, 7138416, 8071104, 9302424, 9517888, 12403232, 14276832, 16142208, 18604848, 19035776, 24806464, 28553664, 37209696, 49225327, 49612928, 57107328, 74419392, 98450654, 147675981, 148838784, 196901308, 295351962, 393802616, 590703924, 787605232, 1181407848, 1575210464, 2362815696, 3150420928, 4725631392, 6300841856, 9451262784, 18902525568]

約数ペア:

[(1, 18902525568), (2, 9451262784), (3, 6300841856), (4, 4725631392), (6, 3150420928), (8, 2362815696), (12, 1575210464), (16, 1181407848), (24, 787605232), (32, 590703924), (48, 393802616), (64, 295351962), (96, 196901308), (127, 148838784), (128, 147675981), (192, 98450654), (254, 74419392), (331, 57107328), (381, 49612928), (384, 49225327), (508, 37209696), (662, 28553664), (762, 24806464), (993, 19035776), (1016, 18604848), (1171, 16142208), (1324, 14276832), (1524, 12403232), (1986, 9517888), (2032, 9302424), (2342, 8071104), (2648, 7138416), (3048, 6201616), (3513, 5380736), (3972, 4758944), (4064, 4651212), (4684, 4035552), (5296, 3569208), (6096, 3100808), (7026, 2690368), (7944, 2379472), (8128, 2325606), (9368, 2017776), (10592, 1784604), (12192, 1550404), (14052, 1345184), (15888, 1189736), (16256, 1162803), (18736, 1008888), (21184, 892302), (24384, 775202), (28104, 672592), (31776, 594868), (37472, 504444), (42037, 449664), (42368, 446151), (48768, 387601), (56208, 336296), (63552, 297434), (74944, 252222), (84074, 224832), (112416, 168148), (126111, 149888), (127104, 148717)]