18540825

素因数分解:

$3^1\times 5^2\times {\mathrm{269}}^1\times {\mathrm{919}}^1$

素因数の和:1201

約数の個数: 24

約数和(自身を含む): 30801600

約数和(自身を除く): 12260775

約数列:

[1, 3, 5, 15, 25, 75, 269, 807, 919, 1345, 2757, 4035, 4595, 6725, 13785, 20175, 22975, 68925, 247211, 741633, 1236055, 3708165, 6180275, 18540825]

約数ペア:

[(1, 18540825), (3, 6180275), (5, 3708165), (15, 1236055), (25, 741633), (75, 247211), (269, 68925), (807, 22975), (919, 20175), (1345, 13785), (2757, 6725), (4035, 4595)]