18270850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28109}}^1$

素因数の和:28134

約数の個数: 24

約数和(自身を含む): 36599220

約数和(自身を除く): 18328370

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28109, 56218, 140545, 281090, 365417, 702725, 730834, 1405450, 1827085, 3654170, 9135425, 18270850]

約数ペア:

[(1, 18270850), (2, 9135425), (5, 3654170), (10, 1827085), (13, 1405450), (25, 730834), (26, 702725), (50, 365417), (65, 281090), (130, 140545), (325, 56218), (650, 28109)]