18684638

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3697}}^1$

素因数の和:3744

約数の個数: 24

約数和(自身を含む): 33814512

約数和(自身を除く): 15129874

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 3697, 5054, 7394, 25879, 51758, 70243, 140486, 491701, 983402, 1334617, 2669234, 9342319, 18684638]

約数ペア:

[(1, 18684638), (2, 9342319), (7, 2669234), (14, 1334617), (19, 983402), (38, 491701), (133, 140486), (266, 70243), (361, 51758), (722, 25879), (2527, 7394), (3697, 5054)]