18815770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{110681}}^1$

素因数の和:110705

約数の個数: 16

約数和(自身を含む): 35860968

約数和(自身を除く): 17045198

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 110681, 221362, 553405, 1106810, 1881577, 3763154, 9407885, 18815770]

約数ペア:

[(1, 18815770), (2, 9407885), (5, 3763154), (10, 1881577), (17, 1106810), (34, 553405), (85, 221362), (170, 110681)]