18960055

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:834

約数の個数: 16

約数和(自身を含む): 23680800

約数和(自身を除く): 4720745

約数列:

[1, 5, 29, 145, 229, 571, 1145, 2855, 6641, 16559, 33205, 82795, 130759, 653795, 3792011, 18960055]

約数ペア:

[(1, 18960055), (5, 3792011), (29, 653795), (145, 130759), (229, 82795), (571, 33205), (1145, 16559), (2855, 6641)]