18505055

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{421}}^1$

素因数の和:634

約数の個数: 16

約数和(自身を含む): 22788000

約数和(自身を除く): 4282945

約数列:

[1, 5, 59, 149, 295, 421, 745, 2105, 8791, 24839, 43955, 62729, 124195, 313645, 3701011, 18505055]

約数ペア:

[(1, 18505055), (5, 3701011), (59, 313645), (149, 124195), (295, 62729), (421, 43955), (745, 24839), (2105, 8791)]