18505201

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{857}}^1$

素因数の和:1032

約数の個数: 16

約数和(自身を含む): 21909888

約数和(自身を除く): 3404687

約数列:

[1, 11, 13, 143, 151, 857, 1661, 1963, 9427, 11141, 21593, 122551, 129407, 1423477, 1682291, 18505201]

約数ペア:

[(1, 18505201), (11, 1682291), (13, 1423477), (143, 129407), (151, 122551), (857, 21593), (1661, 11141), (1963, 9427)]