18172436

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1523}}^1$

素因数の和:1703

約数の個数: 24

約数和(自身を含む): 33710880

約数和(自身を除く): 15538444

約数列:

[1, 2, 4, 19, 38, 76, 157, 314, 628, 1523, 2983, 3046, 5966, 6092, 11932, 28937, 57874, 115748, 239111, 478222, 956444, 4543109, 9086218, 18172436]

約数ペア:

[(1, 18172436), (2, 9086218), (4, 4543109), (19, 956444), (38, 478222), (76, 239111), (157, 115748), (314, 57874), (628, 28937), (1523, 11932), (2983, 6092), (3046, 5966)]