19918444730

素因数分解:

$2^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{2281}}^1\times {\mathrm{5783}}^1$

素因数の和:8222

約数の個数: 32

約数和(自身を含む): 36112704768

約数和(自身を除く): 16194260038

約数列:

[1, 2, 5, 10, 151, 302, 755, 1510, 2281, 4562, 5783, 11405, 11566, 22810, 28915, 57830, 344431, 688862, 873233, 1722155, 1746466, 3444310, 4366165, 8732330, 13191023, 26382046, 65955115, 131910230, 1991844473, 3983688946, 9959222365, 19918444730]

約数ペア:

[(1, 19918444730), (2, 9959222365), (5, 3983688946), (10, 1991844473), (151, 131910230), (302, 65955115), (755, 26382046), (1510, 13191023), (2281, 8732330), (4562, 4366165), (5783, 3444310), (11405, 1746466), (11566, 1722155), (22810, 873233), (28915, 688862), (57830, 344431)]