18442989

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{151}}^1\times {\mathrm{331}}^1$

素因数の和:529

約数の個数: 24

約数和(自身を含む): 27553344

約数和(自身を除く): 9110355

約数列:

[1, 3, 9, 41, 123, 151, 331, 369, 453, 993, 1359, 2979, 6191, 13571, 18573, 40713, 49981, 55719, 122139, 149943, 449829, 2049221, 6147663, 18442989]

約数ペア:

[(1, 18442989), (3, 6147663), (9, 2049221), (41, 449829), (123, 149943), (151, 122139), (331, 55719), (369, 49981), (453, 40713), (993, 18573), (1359, 13571), (2979, 6191)]