18085060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{1279}}^1$

素因数の和:1396

約数の個数: 48

約数和(自身を含む): 43868160

約数和(自身を除く): 25783100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 101, 140, 202, 404, 505, 707, 1010, 1279, 1414, 2020, 2558, 2828, 3535, 5116, 6395, 7070, 8953, 12790, 14140, 17906, 25580, 35812, 44765, 89530, 129179, 179060, 258358, 516716, 645895, 904253, 1291790, 1808506, 2583580, 3617012, 4521265, 9042530, 18085060]

約数ペア:

[(1, 18085060), (2, 9042530), (4, 4521265), (5, 3617012), (7, 2583580), (10, 1808506), (14, 1291790), (20, 904253), (28, 645895), (35, 516716), (70, 258358), (101, 179060), (140, 129179), (202, 89530), (404, 44765), (505, 35812), (707, 25580), (1010, 17906), (1279, 14140), (1414, 12790), (2020, 8953), (2558, 7070), (2828, 6395), (3535, 5116)]