18138420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{100769}}^1$

素因数の和:100784

約数の個数: 36

約数和(自身を含む): 55020420

約数和(自身を除く): 36882000

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 100769, 201538, 302307, 403076, 503845, 604614, 906921, 1007690, 1209228, 1511535, 1813842, 2015380, 3023070, 3627684, 4534605, 6046140, 9069210, 18138420]

約数ペア:

[(1, 18138420), (2, 9069210), (3, 6046140), (4, 4534605), (5, 3627684), (6, 3023070), (9, 2015380), (10, 1813842), (12, 1511535), (15, 1209228), (18, 1007690), (20, 906921), (30, 604614), (36, 503845), (45, 403076), (60, 302307), (90, 201538), (180, 100769)]