2019425890

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1\times {\mathrm{3851}}^1$

素因数の和:5178

約数の個数: 32

約数和(自身を含む): 3727503360

約数和(自身を除く): 1708077470

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 1279, 2558, 3851, 6395, 7702, 12790, 19255, 38510, 52439, 104878, 157891, 262195, 315782, 524390, 789455, 1578910, 4925429, 9850858, 24627145, 49254290, 201942589, 403885178, 1009712945, 2019425890]

約数ペア:

[(1, 2019425890), (2, 1009712945), (5, 403885178), (10, 201942589), (41, 49254290), (82, 24627145), (205, 9850858), (410, 4925429), (1279, 1578910), (2558, 789455), (3851, 524390), (6395, 315782), (7702, 262195), (12790, 157891), (19255, 104878), (38510, 52439)]