18001456

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4447}}^1$

素因数の和:4489

約数の個数: 40

約数和(自身を含む): 39711744

約数和(自身を除く): 21710288

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 44, 46, 88, 92, 176, 184, 253, 368, 506, 1012, 2024, 4048, 4447, 8894, 17788, 35576, 48917, 71152, 97834, 102281, 195668, 204562, 391336, 409124, 782672, 818248, 1125091, 1636496, 2250182, 4500364, 9000728, 18001456]

約数ペア:

[(1, 18001456), (2, 9000728), (4, 4500364), (8, 2250182), (11, 1636496), (16, 1125091), (22, 818248), (23, 782672), (44, 409124), (46, 391336), (88, 204562), (92, 195668), (176, 102281), (184, 97834), (253, 71152), (368, 48917), (506, 35576), (1012, 17788), (2024, 8894), (4048, 4447)]