31660042

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{1979}}^1$

素因数の和:2421

約数の個数: 16

約数和(自身を含む): 50133600

約数和(自身を除く): 18473558

約数列:

[1, 2, 19, 38, 421, 842, 1979, 3958, 7999, 15998, 37601, 75202, 833159, 1666318, 15830021, 31660042]

約数ペア:

[(1, 31660042), (2, 15830021), (19, 1666318), (38, 833159), (421, 75202), (842, 37601), (1979, 15998), (3958, 7999)]