18727810

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12569}}^1$

素因数の和:12725

約数の個数: 16

約数和(自身を含む): 33939000

約数和(自身を除く): 15211190

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 12569, 25138, 62845, 125690, 1872781, 3745562, 9363905, 18727810]

約数ペア:

[(1, 18727810), (2, 9363905), (5, 3745562), (10, 1872781), (149, 125690), (298, 62845), (745, 25138), (1490, 12569)]