18658854

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{193}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 41945904

約数和(自身を除く): 23287050

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 123, 131, 193, 246, 262, 369, 386, 393, 579, 738, 786, 1158, 1179, 1737, 2358, 3474, 5371, 7913, 10742, 15826, 16113, 23739, 25283, 32226, 47478, 48339, 50566, 71217, 75849, 96678, 142434, 151698, 227547, 455094, 1036603, 2073206, 3109809, 6219618, 9329427, 18658854]

約数ペア:

[(1, 18658854), (2, 9329427), (3, 6219618), (6, 3109809), (9, 2073206), (18, 1036603), (41, 455094), (82, 227547), (123, 151698), (131, 142434), (193, 96678), (246, 75849), (262, 71217), (369, 50566), (386, 48339), (393, 47478), (579, 32226), (738, 25283), (786, 23739), (1158, 16113), (1179, 15826), (1737, 10742), (2358, 7913), (3474, 5371)]