18641364

素因数分解:

$2^2\times 3^1\times 7^4\times {\mathrm{647}}^1$

素因数の和:682

約数の個数: 60

約数和(自身を含む): 50821344

約数和(自身を除く): 32179980

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 343, 588, 647, 686, 1029, 1294, 1372, 1941, 2058, 2401, 2588, 3882, 4116, 4529, 4802, 7203, 7764, 9058, 9604, 13587, 14406, 18116, 27174, 28812, 31703, 54348, 63406, 95109, 126812, 190218, 221921, 380436, 443842, 665763, 887684, 1331526, 1553447, 2663052, 3106894, 4660341, 6213788, 9320682, 18641364]

約数ペア:

[(1, 18641364), (2, 9320682), (3, 6213788), (4, 4660341), (6, 3106894), (7, 2663052), (12, 1553447), (14, 1331526), (21, 887684), (28, 665763), (42, 443842), (49, 380436), (84, 221921), (98, 190218), (147, 126812), (196, 95109), (294, 63406), (343, 54348), (588, 31703), (647, 28812), (686, 27174), (1029, 18116), (1294, 14406), (1372, 13587), (1941, 9604), (2058, 9058), (2401, 7764), (2588, 7203), (3882, 4802), (4116, 4529)]