19666270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151279}}^1$

素因数の和:151299

約数の個数: 16

約数和(自身を含む): 38122560

約数和(自身を除く): 18456290

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151279, 302558, 756395, 1512790, 1966627, 3933254, 9833135, 19666270]

約数ペア:

[(1, 19666270), (2, 9833135), (5, 3933254), (10, 1966627), (13, 1512790), (26, 756395), (65, 302558), (130, 151279)]