18646467

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2749}}^1$

素因数の和:2795

約数の個数: 32

約数和(自身を含む): 31680000

約数和(自身を除く): 13033533

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 133, 323, 357, 399, 969, 2261, 2749, 6783, 8247, 19243, 46733, 52231, 57729, 140199, 156693, 327131, 365617, 887927, 981393, 1096851, 2663781, 6215489, 18646467]

約数ペア:

[(1, 18646467), (3, 6215489), (7, 2663781), (17, 1096851), (19, 981393), (21, 887927), (51, 365617), (57, 327131), (119, 156693), (133, 140199), (323, 57729), (357, 52231), (399, 46733), (969, 19243), (2261, 8247), (2749, 6783)]