18909105

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{2383}}^1$

素因数の和:2437

約数の個数: 24

約数和(自身を含む): 31640448

約数和(自身を除く): 12731343

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 529, 1587, 2383, 2645, 7149, 7935, 11915, 35745, 54809, 164427, 274045, 822135, 1260607, 3781821, 6303035, 18909105]

約数ペア:

[(1, 18909105), (3, 6303035), (5, 3781821), (15, 1260607), (23, 822135), (69, 274045), (115, 164427), (345, 54809), (529, 35745), (1587, 11915), (2383, 7935), (2645, 7149)]