18322479

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15307}}^1$

素因数の和:15339

約数の個数: 24

約数和(自身を含む): 31840640

約数和(自身を除く): 13518161

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15307, 45921, 107149, 137763, 290833, 321447, 872499, 964341, 2035831, 2617497, 6107493, 18322479]

約数ペア:

[(1, 18322479), (3, 6107493), (7, 2617497), (9, 2035831), (19, 964341), (21, 872499), (57, 321447), (63, 290833), (133, 137763), (171, 107149), (399, 45921), (1197, 15307)]