18028017

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15061}}^1$

素因数の和:15093

約数の個数: 24

約数和(自身を含む): 31328960

約数和(自身を除く): 13300943

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15061, 45183, 105427, 135549, 286159, 316281, 858477, 948843, 2003113, 2575431, 6009339, 18028017]

約数ペア:

[(1, 18028017), (3, 6009339), (7, 2575431), (9, 2003113), (19, 948843), (21, 858477), (57, 316281), (63, 286159), (133, 135549), (171, 105427), (399, 45183), (1197, 15061)]