18737943

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{3109}}^1$

素因数の和:3167

約数の個数: 24

約数和(自身を含む): 29781360

約数和(自身を除く): 11043417

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 287, 861, 2009, 3109, 6027, 9327, 21763, 65289, 127469, 152341, 382407, 457023, 892283, 2676849, 6245981, 18737943]

約数ペア:

[(1, 18737943), (3, 6245981), (7, 2676849), (21, 892283), (41, 457023), (49, 382407), (123, 152341), (147, 127469), (287, 65289), (861, 21763), (2009, 9327), (3109, 6027)]