18477627

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:347

約数の個数: 32

約数和(自身を含む): 29202432

約数和(自身を除く): 10724805

約数列:

[1, 3, 7, 21, 47, 97, 141, 193, 291, 329, 579, 679, 987, 1351, 2037, 4053, 4559, 9071, 13677, 18721, 27213, 31913, 56163, 63497, 95739, 131047, 190491, 393141, 879887, 2639661, 6159209, 18477627]

約数ペア:

[(1, 18477627), (3, 6159209), (7, 2639661), (21, 879887), (47, 393141), (97, 190491), (141, 131047), (193, 95739), (291, 63497), (329, 56163), (579, 31913), (679, 27213), (987, 18721), (1351, 13677), (2037, 9071), (4053, 4559)]