20178592018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{5563}}^1\times {\mathrm{139511}}^1$

素因数の和:145089

約数の個数: 16

約数和(自身を含む): 32602280256

約数和(自身を除く): 12423688238

約数列:

[1, 2, 13, 26, 5563, 11126, 72319, 139511, 144638, 279022, 1813643, 3627286, 776099693, 1552199386, 10089296009, 20178592018]

約数ペア:

[(1, 20178592018), (2, 10089296009), (13, 1552199386), (26, 776099693), (5563, 3627286), (11126, 1813643), (72319, 279022), (139511, 144638)]