18758545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{2203}}^1$

素因数の和:2352

約数の個数: 16

約数和(自身を含む): 24437952

約数和(自身を除く): 5679407

約数列:

[1, 5, 13, 65, 131, 655, 1703, 2203, 8515, 11015, 28639, 143195, 288593, 1442965, 3751709, 18758545]

約数ペア:

[(1, 18758545), (5, 3751709), (13, 1442965), (65, 288593), (131, 143195), (655, 28639), (1703, 11015), (2203, 8515)]