19910612

素因数分解:

$2^2\times {\mathrm{59}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 35683200

約数和(自身を除く): 15772588

約数列:

[1, 2, 4, 59, 118, 236, 239, 353, 478, 706, 956, 1412, 14101, 20827, 28202, 41654, 56404, 83308, 84367, 168734, 337468, 4977653, 9955306, 19910612]

約数ペア:

[(1, 19910612), (2, 9955306), (4, 4977653), (59, 337468), (118, 168734), (236, 84367), (239, 83308), (353, 56404), (478, 41654), (706, 28202), (956, 20827), (1412, 14101)]