19974372

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{389}}^2$

素因数の和:796

約数の個数: 36

約数和(自身を含む): 50974896

約数和(自身を除く): 31000524

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 389, 778, 1167, 1556, 2334, 4279, 4668, 8558, 12837, 17116, 25674, 51348, 151321, 302642, 453963, 605284, 907926, 1664531, 1815852, 3329062, 4993593, 6658124, 9987186, 19974372]

約数ペア:

[(1, 19974372), (2, 9987186), (3, 6658124), (4, 4993593), (6, 3329062), (11, 1815852), (12, 1664531), (22, 907926), (33, 605284), (44, 453963), (66, 302642), (132, 151321), (389, 51348), (778, 25674), (1167, 17116), (1556, 12837), (2334, 8558), (4279, 4668)]