17981416

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{42409}}^1$

素因数の和:42468

約数の個数: 16

約数和(自身を含む): 34352100

約数和(自身を除く): 16370684

約数列:

[1, 2, 4, 8, 53, 106, 212, 424, 42409, 84818, 169636, 339272, 2247677, 4495354, 8990708, 17981416]

約数ペア:

[(1, 17981416), (2, 8990708), (4, 4495354), (8, 2247677), (53, 339272), (106, 169636), (212, 84818), (424, 42409)]