18892496

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:196

約数の個数: 80

約数和(自身を含む): 44330496

約数和(自身を除く): 25438000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 47, 56, 74, 94, 97, 112, 148, 188, 194, 259, 296, 329, 376, 388, 518, 592, 658, 679, 752, 776, 1036, 1316, 1358, 1552, 1739, 2072, 2632, 2716, 3478, 3589, 4144, 4559, 5264, 5432, 6956, 7178, 9118, 10864, 12173, 13912, 14356, 18236, 24346, 25123, 27824, 28712, 31913, 36472, 48692, 50246, 57424, 63826, 72944, 97384, 100492, 127652, 168683, 194768, 200984, 255304, 337366, 401968, 510608, 674732, 1180781, 1349464, 2361562, 2698928, 4723124, 9446248, 18892496]

約数ペア:

[(1, 18892496), (2, 9446248), (4, 4723124), (7, 2698928), (8, 2361562), (14, 1349464), (16, 1180781), (28, 674732), (37, 510608), (47, 401968), (56, 337366), (74, 255304), (94, 200984), (97, 194768), (112, 168683), (148, 127652), (188, 100492), (194, 97384), (259, 72944), (296, 63826), (329, 57424), (376, 50246), (388, 48692), (518, 36472), (592, 31913), (658, 28712), (679, 27824), (752, 25123), (776, 24346), (1036, 18236), (1316, 14356), (1358, 13912), (1552, 12173), (1739, 10864), (2072, 9118), (2632, 7178), (2716, 6956), (3478, 5432), (3589, 5264), (4144, 4559)]