18102903

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{9473}}^1$

素因数の和:9503

約数の個数: 24

約数和(自身を含む): 30241008

約数和(自身を除く): 12138105

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 9473, 28419, 66311, 123149, 198933, 369447, 464177, 862043, 1392531, 2586129, 6034301, 18102903]

約数ペア:

[(1, 18102903), (3, 6034301), (7, 2586129), (13, 1392531), (21, 862043), (39, 464177), (49, 369447), (91, 198933), (147, 123149), (273, 66311), (637, 28419), (1911, 9473)]