18809744

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{10987}}^1$

素因数の和:11102

約数の個数: 20

約数和(自身を含む): 36787824

約数和(自身を除く): 17978080

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 10987, 21974, 43948, 87896, 175792, 1175609, 2351218, 4702436, 9404872, 18809744]

約数ペア:

[(1, 18809744), (2, 9404872), (4, 4702436), (8, 2351218), (16, 1175609), (107, 175792), (214, 87896), (428, 43948), (856, 21974), (1712, 10987)]