18883814

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:272

約数の個数: 24

約数和(自身を含む): 29892720

約数和(自身を除く): 11008906

約数列:

[1, 2, 29, 58, 103, 109, 206, 218, 841, 1682, 2987, 3161, 5974, 6322, 11227, 22454, 86623, 91669, 173246, 183338, 325583, 651166, 9441907, 18883814]

約数ペア:

[(1, 18883814), (2, 9441907), (29, 651166), (58, 325583), (103, 183338), (109, 173246), (206, 91669), (218, 86623), (841, 22454), (1682, 11227), (2987, 6322), (3161, 5974)]