19807065

素因数分解:

$3^3\times 5^1\times {\mathrm{146719}}^1$

素因数の和:146733

約数の個数: 16

約数和(自身を含む): 35212800

約数和(自身を除く): 15405735

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 146719, 440157, 733595, 1320471, 2200785, 3961413, 6602355, 19807065]

約数ペア:

[(1, 19807065), (3, 6602355), (5, 3961413), (9, 2200785), (15, 1320471), (27, 733595), (45, 440157), (135, 146719)]