19883073

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3299}}^1$

素因数の和:3357

約数の個数: 24

約数和(自身を含む): 31600800

約数和(自身を除く): 11717727

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3299, 6027, 9897, 23093, 69279, 135259, 161651, 405777, 484953, 946813, 2840439, 6627691, 19883073]

約数ペア:

[(1, 19883073), (3, 6627691), (7, 2840439), (21, 946813), (41, 484953), (49, 405777), (123, 161651), (147, 135259), (287, 69279), (861, 23093), (2009, 9897), (3299, 6027)]