18503156

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21317}}^1$

素因数の和:21359

約数の個数: 24

約数和(自身を含む): 38201856

約数和(自身を除く): 19698700

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21317, 42634, 85268, 149219, 298438, 596876, 660827, 1321654, 2643308, 4625789, 9251578, 18503156]

約数ペア:

[(1, 18503156), (2, 9251578), (4, 4625789), (7, 2643308), (14, 1321654), (28, 660827), (31, 596876), (62, 298438), (124, 149219), (217, 85268), (434, 42634), (868, 21317)]