31069180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{81761}}^1$

素因数の和:81789

約数の個数: 24

約数和(自身を含む): 68680080

約数和(自身を除く): 37610900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 81761, 163522, 327044, 408805, 817610, 1553459, 1635220, 3106918, 6213836, 7767295, 15534590, 31069180]

約数ペア:

[(1, 31069180), (2, 15534590), (4, 7767295), (5, 6213836), (10, 3106918), (19, 1635220), (20, 1553459), (38, 817610), (76, 408805), (95, 327044), (190, 163522), (380, 81761)]