19666010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21611}}^1$

素因数の和:21638

約数の個数: 32

約数和(自身を含む): 43569792

約数和(自身を除く): 23903782

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 21611, 43222, 108055, 151277, 216110, 280943, 302554, 561886, 756385, 1404715, 1512770, 1966601, 2809430, 3933202, 9833005, 19666010]

約数ペア:

[(1, 19666010), (2, 9833005), (5, 3933202), (7, 2809430), (10, 1966601), (13, 1512770), (14, 1404715), (26, 756385), (35, 561886), (65, 302554), (70, 280943), (91, 216110), (130, 151277), (182, 108055), (455, 43222), (910, 21611)]