18724745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{1063}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 24310272

約数和(自身を除く): 5585527

約数列:

[1, 5, 13, 65, 271, 1063, 1355, 3523, 5315, 13819, 17615, 69095, 288073, 1440365, 3744949, 18724745]

約数ペア:

[(1, 18724745), (5, 3744949), (13, 1440365), (65, 288073), (271, 69095), (1063, 17615), (1355, 13819), (3523, 5315)]