18494848

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 39168000

約数和(自身を除く): 20673152

約数列:

[1, 2, 4, 8, 16, 31, 32, 59, 62, 64, 79, 118, 124, 128, 158, 236, 248, 316, 472, 496, 632, 944, 992, 1264, 1829, 1888, 1984, 2449, 2528, 3658, 3776, 3968, 4661, 4898, 5056, 7316, 7552, 9322, 9796, 10112, 14632, 18644, 19592, 29264, 37288, 39184, 58528, 74576, 78368, 117056, 144491, 149152, 156736, 234112, 288982, 298304, 313472, 577964, 596608, 1155928, 2311856, 4623712, 9247424, 18494848]

約数ペア:

[(1, 18494848), (2, 9247424), (4, 4623712), (8, 2311856), (16, 1155928), (31, 596608), (32, 577964), (59, 313472), (62, 298304), (64, 288982), (79, 234112), (118, 156736), (124, 149152), (128, 144491), (158, 117056), (236, 78368), (248, 74576), (316, 58528), (472, 39184), (496, 37288), (632, 29264), (944, 19592), (992, 18644), (1264, 14632), (1829, 10112), (1888, 9796), (1984, 9322), (2449, 7552), (2528, 7316), (3658, 5056), (3776, 4898), (3968, 4661)]