19660666

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{5557}}^1$

素因数の和:5649

約数の個数: 16

約数和(自身を含む): 31013640

約数和(自身を除く): 11352974

約数列:

[1, 2, 29, 58, 61, 122, 1769, 3538, 5557, 11114, 161153, 322306, 338977, 677954, 9830333, 19660666]

約数ペア:

[(1, 19660666), (2, 9830333), (29, 677954), (58, 338977), (61, 322306), (122, 161153), (1769, 11114), (3538, 5557)]