1921420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{4177}}^1$

素因数の和:4209

約数の個数: 24

約数和(自身を含む): 4211424

約数和(自身を除く): 2290004

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 4177, 8354, 16708, 20885, 41770, 83540, 96071, 192142, 384284, 480355, 960710, 1921420]

約数ペア:

[(1, 1921420), (2, 960710), (4, 480355), (5, 384284), (10, 192142), (20, 96071), (23, 83540), (46, 41770), (92, 20885), (115, 16708), (230, 8354), (460, 4177)]