18986552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{10739}}^1$

素因数の和:10775

約数の個数: 32

約数和(自身を含む): 40597200

約数和(自身を除く): 21610648

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 136, 221, 442, 884, 1768, 10739, 21478, 42956, 85912, 139607, 182563, 279214, 365126, 558428, 730252, 1116856, 1460504, 2373319, 4746638, 9493276, 18986552]

約数ペア:

[(1, 18986552), (2, 9493276), (4, 4746638), (8, 2373319), (13, 1460504), (17, 1116856), (26, 730252), (34, 558428), (52, 365126), (68, 279214), (104, 182563), (136, 139607), (221, 85912), (442, 42956), (884, 21478), (1768, 10739)]