18188950

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{27983}}^1$

素因数の和:28008

約数の個数: 24

約数和(自身を含む): 36435168

約数和(自身を除く): 18246218

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 27983, 55966, 139915, 279830, 363779, 699575, 727558, 1399150, 1818895, 3637790, 9094475, 18188950]

約数ペア:

[(1, 18188950), (2, 9094475), (5, 3637790), (10, 1818895), (13, 1399150), (25, 727558), (26, 699575), (50, 363779), (65, 279830), (130, 139915), (325, 55966), (650, 27983)]