18670491

素因数分解:

$3^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{5023}}^1$

素因数の和:5095

約数の個数: 24

約数和(自身を含む): 31349760

約数和(自身を除く): 12679269

約数列:

[1, 3, 7, 9, 21, 59, 63, 177, 413, 531, 1239, 3717, 5023, 15069, 35161, 45207, 105483, 296357, 316449, 889071, 2074499, 2667213, 6223497, 18670491]

約数ペア:

[(1, 18670491), (3, 6223497), (7, 2667213), (9, 2074499), (21, 889071), (59, 316449), (63, 296357), (177, 105483), (413, 45207), (531, 35161), (1239, 15069), (3717, 5023)]