18431007

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{6599}}^1$

素因数の和:6635

約数の個数: 24

約数和(自身を含む): 30096000

約数和(自身を除く): 11664993

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 6599, 19797, 46193, 125381, 138579, 323351, 376143, 877667, 970053, 2633001, 6143669, 18431007]

約数ペア:

[(1, 18431007), (3, 6143669), (7, 2633001), (19, 970053), (21, 877667), (49, 376143), (57, 323351), (133, 138579), (147, 125381), (399, 46193), (931, 19797), (2793, 6599)]