18218410

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{260263}}^1$

素因数の和:260277

約数の個数: 16

約数和(自身を含む): 37478016

約数和(自身を除く): 19259606

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 260263, 520526, 1301315, 1821841, 2602630, 3643682, 9109205, 18218410]

約数ペア:

[(1, 18218410), (2, 9109205), (5, 3643682), (7, 2602630), (10, 1821841), (14, 1301315), (35, 520526), (70, 260263)]