18685305

素因数分解:

$3^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{991}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 32497920

約数和(自身を除く): 13812615

約数列:

[1, 3, 5, 9, 15, 45, 419, 991, 1257, 2095, 2973, 3771, 4955, 6285, 8919, 14865, 18855, 44595, 415229, 1245687, 2076145, 3737061, 6228435, 18685305]

約数ペア:

[(1, 18685305), (3, 6228435), (5, 3737061), (9, 2076145), (15, 1245687), (45, 415229), (419, 44595), (991, 18855), (1257, 14865), (2095, 8919), (2973, 6285), (3771, 4955)]