1821860

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1283}}^1$

素因数の和:1363

約数の個数: 24

約数和(自身を含む): 3882816

約数和(自身を除く): 2060956

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1283, 1420, 2566, 5132, 6415, 12830, 25660, 91093, 182186, 364372, 455465, 910930, 1821860]

約数ペア:

[(1, 1821860), (2, 910930), (4, 455465), (5, 364372), (10, 182186), (20, 91093), (71, 25660), (142, 12830), (284, 6415), (355, 5132), (710, 2566), (1283, 1420)]