19695874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{617}}^1\times {\mathrm{1451}}^1$

素因数の和:2081

約数の個数: 16

約数和(自身を含む): 32304096

約数和(自身を除く): 12608222

約数列:

[1, 2, 11, 22, 617, 1234, 1451, 2902, 6787, 13574, 15961, 31922, 895267, 1790534, 9847937, 19695874]

約数ペア:

[(1, 19695874), (2, 9847937), (11, 1790534), (22, 895267), (617, 31922), (1234, 15961), (1451, 13574), (2902, 6787)]