18380825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{709}}^1$

素因数の和:797

約数の個数: 24

約数和(自身を含む): 24563160

約数和(自身を除く): 6182335

約数列:

[1, 5, 17, 25, 61, 85, 305, 425, 709, 1037, 1525, 3545, 5185, 12053, 17725, 25925, 43249, 60265, 216245, 301325, 735233, 1081225, 3676165, 18380825]

約数ペア:

[(1, 18380825), (5, 3676165), (17, 1081225), (25, 735233), (61, 301325), (85, 216245), (305, 60265), (425, 43249), (709, 25925), (1037, 17725), (1525, 12053), (3545, 5185)]