18208725

素因数分解:

$3^1\times 5^2\times {\mathrm{107}}^1\times {\mathrm{2269}}^1$

素因数の和:2389

約数の個数: 24

約数和(自身を含む): 30399840

約数和(自身を除く): 12191115

約数列:

[1, 3, 5, 15, 25, 75, 107, 321, 535, 1605, 2269, 2675, 6807, 8025, 11345, 34035, 56725, 170175, 242783, 728349, 1213915, 3641745, 6069575, 18208725]

約数ペア:

[(1, 18208725), (3, 6069575), (5, 3641745), (15, 1213915), (25, 728349), (75, 242783), (107, 170175), (321, 56725), (535, 34035), (1605, 11345), (2269, 8025), (2675, 6807)]