1309708

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{907}}^1$

素因数の和:949

約数の個数: 18

約数和(自身を含む): 2421636

約数和(自身を除く): 1111928

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 907, 1444, 1814, 3628, 17233, 34466, 68932, 327427, 654854, 1309708]

約数ペア:

[(1, 1309708), (2, 654854), (4, 327427), (19, 68932), (38, 34466), (76, 17233), (361, 3628), (722, 1814), (907, 1444)]