18166869

素因数分解:

$3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5059}}^1$

素因数の和:5094

約数の個数: 32

約数和(自身を含む): 32384000

約数和(自身を除く): 14217131

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 133, 171, 189, 399, 513, 1197, 3591, 5059, 15177, 35413, 45531, 96121, 106239, 136593, 288363, 318717, 672847, 865089, 956151, 2018541, 2595267, 6055623, 18166869]

約数ペア:

[(1, 18166869), (3, 6055623), (7, 2595267), (9, 2018541), (19, 956151), (21, 865089), (27, 672847), (57, 318717), (63, 288363), (133, 136593), (171, 106239), (189, 96121), (399, 45531), (513, 35413), (1197, 15177), (3591, 5059)]