19640566

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{2473}}^1$

素因数の和:2524

約数の個数: 24

約数和(自身を含む): 33933384

約数和(自身を除く): 14292818

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 2473, 3971, 4946, 7942, 27203, 46987, 54406, 93974, 516857, 892753, 1033714, 1785506, 9820283, 19640566]

約数ペア:

[(1, 19640566), (2, 9820283), (11, 1785506), (19, 1033714), (22, 892753), (38, 516857), (209, 93974), (361, 54406), (418, 46987), (722, 27203), (2473, 7942), (3971, 4946)]