18639803

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12049}}^1$

素因数の和:12086

約数の個数: 16

約数和(自身を含む): 24292800

約数和(自身を除く): 5652997

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12049, 84343, 156637, 204833, 1096459, 1433831, 2662829, 18639803]

約数ペア:

[(1, 18639803), (7, 2662829), (13, 1433831), (17, 1096459), (91, 204833), (119, 156637), (221, 84343), (1547, 12049)]