18030159

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2089}}^1$

素因数の和:2239

約数の個数: 24

約数和(自身を含む): 29995680

約数和(自身を除く): 11965521

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2089, 2877, 6267, 8631, 14623, 18801, 43869, 131607, 286193, 858579, 2003351, 2575737, 6010053, 18030159]

約数ペア:

[(1, 18030159), (3, 6010053), (7, 2575737), (9, 2003351), (21, 858579), (63, 286193), (137, 131607), (411, 43869), (959, 18801), (1233, 14623), (2089, 8631), (2877, 6267)]