19809285

素因数分解:

$3^1\times 5^1\times {\mathrm{881}}^1\times {\mathrm{1499}}^1$

素因数の和:2388

約数の個数: 16

約数和(自身を含む): 31752000

約数和(自身を除く): 11942715

約数列:

[1, 3, 5, 15, 881, 1499, 2643, 4405, 4497, 7495, 13215, 22485, 1320619, 3961857, 6603095, 19809285]

約数ペア:

[(1, 19809285), (3, 6603095), (5, 3961857), (15, 1320619), (881, 22485), (1499, 13215), (2643, 7495), (4405, 4497)]