18320876

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{21107}}^1$

素因数の和:21149

約数の個数: 24

約数和(自身を含む): 37825536

約数和(自身を除く): 19504660

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 21107, 42214, 84428, 147749, 295498, 590996, 654317, 1308634, 2617268, 4580219, 9160438, 18320876]

約数ペア:

[(1, 18320876), (2, 9160438), (4, 4580219), (7, 2617268), (14, 1308634), (28, 654317), (31, 590996), (62, 295498), (124, 147749), (217, 84428), (434, 42214), (868, 21107)]