18422180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{727}}^1$

素因数の和:924

約数の個数: 48

約数和(自身を含む): 44518656

約数和(自身を除く): 26096476

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 724, 727, 905, 1267, 1454, 1810, 2534, 2908, 3620, 3635, 5068, 5089, 6335, 7270, 10178, 12670, 14540, 20356, 25340, 25445, 50890, 101780, 131587, 263174, 526348, 657935, 921109, 1315870, 1842218, 2631740, 3684436, 4605545, 9211090, 18422180]

約数ペア:

[(1, 18422180), (2, 9211090), (4, 4605545), (5, 3684436), (7, 2631740), (10, 1842218), (14, 1315870), (20, 921109), (28, 657935), (35, 526348), (70, 263174), (140, 131587), (181, 101780), (362, 50890), (724, 25445), (727, 25340), (905, 20356), (1267, 14540), (1454, 12670), (1810, 10178), (2534, 7270), (2908, 6335), (3620, 5089), (3635, 5068)]