11839340

素因数分解:

$2^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{1163}}^1$

素因数の和:1681

約数の個数: 24

約数和(自身を含む): 24932880

約数和(自身を除く): 13093540

約数列:

[1, 2, 4, 5, 10, 20, 509, 1018, 1163, 2036, 2326, 2545, 4652, 5090, 5815, 10180, 11630, 23260, 591967, 1183934, 2367868, 2959835, 5919670, 11839340]

約数ペア:

[(1, 11839340), (2, 5919670), (4, 2959835), (5, 2367868), (10, 1183934), (20, 591967), (509, 23260), (1018, 11630), (1163, 10180), (2036, 5815), (2326, 5090), (2545, 4652)]