11817905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 16727040

約数和(自身を除く): 4909135

約数列:

[1, 5, 11, 19, 43, 55, 95, 209, 215, 263, 473, 817, 1045, 1315, 2365, 2893, 4085, 4997, 8987, 11309, 14465, 24985, 44935, 54967, 56545, 124399, 214871, 274835, 621995, 1074355, 2363581, 11817905]

約数ペア:

[(1, 11817905), (5, 2363581), (11, 1074355), (19, 621995), (43, 274835), (55, 214871), (95, 124399), (209, 56545), (215, 54967), (263, 44935), (473, 24985), (817, 14465), (1045, 11309), (1315, 8987), (2365, 4997), (2893, 4085)]