1897870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1123}}^1$

素因数の和:1156

約数の個数: 24

約数和(自身を含む): 3702456

約数和(自身を除く): 1804586

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1123, 1690, 2246, 5615, 11230, 14599, 29198, 72995, 145990, 189787, 379574, 948935, 1897870]

約数ペア:

[(1, 1897870), (2, 948935), (5, 379574), (10, 189787), (13, 145990), (26, 72995), (65, 29198), (130, 14599), (169, 11230), (338, 5615), (845, 2246), (1123, 1690)]