1909539970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{312527}}^1$

素因数の和:312594

約数の個数: 32

約数和(自身を含む): 3780338688

約数和(自身を除く): 1870798718

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 1222, 3055, 6110, 312527, 625054, 1562635, 3125270, 4062851, 8125702, 14688769, 20314255, 29377538, 40628510, 73443845, 146887690, 190953997, 381907994, 954769985, 1909539970]

約数ペア:

[(1, 1909539970), (2, 954769985), (5, 381907994), (10, 190953997), (13, 146887690), (26, 73443845), (47, 40628510), (65, 29377538), (94, 20314255), (130, 14688769), (235, 8125702), (470, 4062851), (611, 3125270), (1222, 1562635), (3055, 625054), (6110, 312527)]