18189423

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6143}}^1$

素因数の和:6203

約数の個数: 24

約数和(自身を含む): 30670848

約数和(自身を除く): 12481425

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6143, 18429, 43001, 55287, 129003, 288721, 387009, 866163, 2021047, 2598489, 6063141, 18189423]

約数ペア:

[(1, 18189423), (3, 6063141), (7, 2598489), (9, 2021047), (21, 866163), (47, 387009), (63, 288721), (141, 129003), (329, 55287), (423, 43001), (987, 18429), (2961, 6143)]