18614421

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 32

約数和(自身を含む): 31776000

約数和(自身を除く): 13161579

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 661, 1043, 1341, 1983, 3129, 4023, 4627, 5949, 9387, 13881, 17847, 28161, 41643, 98489, 124929, 295467, 689423, 886401, 2068269, 2659203, 6204807, 18614421]

約数ペア:

[(1, 18614421), (3, 6204807), (7, 2659203), (9, 2068269), (21, 886401), (27, 689423), (63, 295467), (149, 124929), (189, 98489), (447, 41643), (661, 28161), (1043, 17847), (1341, 13881), (1983, 9387), (3129, 5949), (4023, 4627)]