31308086

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{421}}^1$

素因数の和:564

約数の個数: 24

約数和(自身を含む): 50163984

約数和(自身を除く): 18855898

約数列:

[1, 2, 19, 38, 103, 206, 361, 421, 722, 842, 1957, 3914, 7999, 15998, 37183, 43363, 74366, 86726, 151981, 303962, 823897, 1647794, 15654043, 31308086]

約数ペア:

[(1, 31308086), (2, 15654043), (19, 1647794), (38, 823897), (103, 303962), (206, 151981), (361, 86726), (421, 74366), (722, 43363), (842, 37183), (1957, 15998), (3914, 7999)]