18905475

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13267}}^1$

素因数の和:13299

約数の個数: 24

約数和(自身を含む): 32904640

約数和(自身を除く): 13999165

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 13267, 39801, 66335, 199005, 252073, 331675, 756219, 995025, 1260365, 3781095, 6301825, 18905475]

約数ペア:

[(1, 18905475), (3, 6301825), (5, 3781095), (15, 1260365), (19, 995025), (25, 756219), (57, 331675), (75, 252073), (95, 199005), (285, 66335), (475, 39801), (1425, 13267)]