18244023

素因数分解:

$3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{1571}}^1$

素因数の和:1667

約数の個数: 24

約数和(自身を含む): 28673280

約数和(自身を除く): 10429257

約数列:

[1, 3, 7, 21, 49, 79, 147, 237, 553, 1571, 1659, 3871, 4713, 10997, 11613, 32991, 76979, 124109, 230937, 372327, 868763, 2606289, 6081341, 18244023]

約数ペア:

[(1, 18244023), (3, 6081341), (7, 2606289), (21, 868763), (49, 372327), (79, 230937), (147, 124109), (237, 76979), (553, 32991), (1571, 11613), (1659, 10997), (3871, 4713)]