19650865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{2029}}^1$

素因数の和:2196

約数の個数: 16

約数和(自身を含む): 25578000

約数和(自身を除く): 5927135

約数列:

[1, 5, 13, 65, 149, 745, 1937, 2029, 9685, 10145, 26377, 131885, 302321, 1511605, 3930173, 19650865]

約数ペア:

[(1, 19650865), (5, 3930173), (13, 1511605), (65, 302321), (149, 131885), (745, 26377), (1937, 10145), (2029, 9685)]