18790850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{28909}}^1$

素因数の和:28934

約数の個数: 24

約数和(自身を含む): 37640820

約数和(自身を除く): 18849970

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 28909, 57818, 144545, 289090, 375817, 722725, 751634, 1445450, 1879085, 3758170, 9395425, 18790850]

約数ペア:

[(1, 18790850), (2, 9395425), (5, 3758170), (10, 1879085), (13, 1445450), (25, 751634), (26, 722725), (50, 375817), (65, 289090), (130, 144545), (325, 57818), (650, 28909)]