18173480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{34949}}^1$

素因数の和:34973

約数の個数: 32

約数和(自身を含む): 44037000

約数和(自身を除く): 25863520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 34949, 69898, 139796, 174745, 279592, 349490, 454337, 698980, 908674, 1397960, 1817348, 2271685, 3634696, 4543370, 9086740, 18173480]

約数ペア:

[(1, 18173480), (2, 9086740), (4, 4543370), (5, 3634696), (8, 2271685), (10, 1817348), (13, 1397960), (20, 908674), (26, 698980), (40, 454337), (52, 349490), (65, 279592), (104, 174745), (130, 139796), (260, 69898), (520, 34949)]