18325975

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{941}}^1$

素因数の和:1011

約数の個数: 24

約数和(自身を含む): 24529680

約数和(自身を除く): 6203705

約数列:

[1, 5, 19, 25, 41, 95, 205, 475, 779, 941, 1025, 3895, 4705, 17879, 19475, 23525, 38581, 89395, 192905, 446975, 733039, 964525, 3665195, 18325975]

約数ペア:

[(1, 18325975), (5, 3665195), (19, 964525), (25, 733039), (41, 446975), (95, 192905), (205, 89395), (475, 38581), (779, 23525), (941, 19475), (1025, 17879), (3895, 4705)]