17966060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 43417920

約数和(自身を除く): 25451860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 181, 362, 709, 724, 905, 1267, 1418, 1810, 2534, 2836, 3545, 3620, 4963, 5068, 6335, 7090, 9926, 12670, 14180, 19852, 24815, 25340, 49630, 99260, 128329, 256658, 513316, 641645, 898303, 1283290, 1796606, 2566580, 3593212, 4491515, 8983030, 17966060]

約数ペア:

[(1, 17966060), (2, 8983030), (4, 4491515), (5, 3593212), (7, 2566580), (10, 1796606), (14, 1283290), (20, 898303), (28, 641645), (35, 513316), (70, 256658), (140, 128329), (181, 99260), (362, 49630), (709, 25340), (724, 24815), (905, 19852), (1267, 14180), (1418, 12670), (1810, 9926), (2534, 7090), (2836, 6335), (3545, 5068), (3620, 4963)]