18783752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1785

約数の個数: 32

約数和(自身を含む): 38299800

約数和(自身を除く): 19516048

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 218, 436, 872, 1417, 1657, 2834, 3314, 5668, 6628, 11336, 13256, 21541, 43082, 86164, 172328, 180613, 361226, 722452, 1444904, 2347969, 4695938, 9391876, 18783752]

約数ペア:

[(1, 18783752), (2, 9391876), (4, 4695938), (8, 2347969), (13, 1444904), (26, 722452), (52, 361226), (104, 180613), (109, 172328), (218, 86164), (436, 43082), (872, 21541), (1417, 13256), (1657, 11336), (2834, 6628), (3314, 5668)]