19661215

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{9209}}^1$

素因数の和:9282

約数の個数: 16

約数和(自身を含む): 27408960

約数和(自身を除く): 7747745

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 9209, 46045, 64463, 322315, 561749, 2808745, 3932243, 19661215]

約数ペア:

[(1, 19661215), (5, 3932243), (7, 2808745), (35, 561749), (61, 322315), (305, 64463), (427, 46045), (2135, 9209)]