18045710

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4639}}^1$

素因数の和:5035

約数の個数: 16

約数和(自身を含む): 32572800

約数和(自身を除く): 14527090

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 4639, 9278, 23195, 46390, 1804571, 3609142, 9022855, 18045710]

約数ペア:

[(1, 18045710), (2, 9022855), (5, 3609142), (10, 1804571), (389, 46390), (778, 23195), (1945, 9278), (3890, 4639)]