18257928

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:582

約数の個数: 64

約数和(自身を含む): 49627200

約数和(自身を除く): 31369272

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 139, 156, 278, 312, 417, 421, 556, 834, 842, 1112, 1263, 1668, 1684, 1807, 2526, 3336, 3368, 3614, 5052, 5421, 5473, 7228, 10104, 10842, 10946, 14456, 16419, 21684, 21892, 32838, 43368, 43784, 58519, 65676, 117038, 131352, 175557, 234076, 351114, 468152, 702228, 760747, 1404456, 1521494, 2282241, 3042988, 4564482, 6085976, 9128964, 18257928]

約数ペア:

[(1, 18257928), (2, 9128964), (3, 6085976), (4, 4564482), (6, 3042988), (8, 2282241), (12, 1521494), (13, 1404456), (24, 760747), (26, 702228), (39, 468152), (52, 351114), (78, 234076), (104, 175557), (139, 131352), (156, 117038), (278, 65676), (312, 58519), (417, 43784), (421, 43368), (556, 32838), (834, 21892), (842, 21684), (1112, 16419), (1263, 14456), (1668, 10946), (1684, 10842), (1807, 10104), (2526, 7228), (3336, 5473), (3368, 5421), (3614, 5052)]