18282325

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:357

約数の個数: 24

約数和(自身を含む): 23748480

約数和(自身を除く): 5466155

約数列:

[1, 5, 25, 29, 145, 151, 167, 725, 755, 835, 3775, 4175, 4379, 4843, 21895, 24215, 25217, 109475, 121075, 126085, 630425, 731293, 3656465, 18282325]

約数ペア:

[(1, 18282325), (5, 3656465), (25, 731293), (29, 630425), (145, 126085), (151, 121075), (167, 109475), (725, 25217), (755, 24215), (835, 21895), (3775, 4843), (4175, 4379)]