12721118

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{1669}}^1$

素因数の和:1811

約数の個数: 16

約数和(自身を含む): 19799520

約数和(自身を除く): 7078402

約数列:

[1, 2, 37, 74, 103, 206, 1669, 3338, 3811, 7622, 61753, 123506, 171907, 343814, 6360559, 12721118]

約数ペア:

[(1, 12721118), (2, 6360559), (37, 343814), (74, 171907), (103, 123506), (206, 61753), (1669, 7622), (3338, 3811)]