1916620

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1571}}^1$

素因数の和:1641

約数の個数: 24

約数和(自身を含む): 4093488

約数和(自身を除く): 2176868

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1571, 3142, 6284, 7855, 15710, 31420, 95831, 191662, 383324, 479155, 958310, 1916620]

約数ペア:

[(1, 1916620), (2, 958310), (4, 479155), (5, 383324), (10, 191662), (20, 95831), (61, 31420), (122, 15710), (244, 7855), (305, 6284), (610, 3142), (1220, 1571)]