19699810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{151537}}^1$

素因数の和:151557

約数の個数: 16

約数和(自身を含む): 38187576

約数和(自身を除く): 18487766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 151537, 303074, 757685, 1515370, 1969981, 3939962, 9849905, 19699810]

約数ペア:

[(1, 19699810), (2, 9849905), (5, 3939962), (10, 1969981), (13, 1515370), (26, 757685), (65, 303074), (130, 151537)]