12558316

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1281

約数の個数: 24

約数和(自身を含む): 23310000

約数和(自身を除く): 10751684

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1109, 2218, 2831, 4436, 5662, 11324, 21071, 42142, 84284, 165241, 330482, 660964, 3139579, 6279158, 12558316]

約数ペア:

[(1, 12558316), (2, 6279158), (4, 3139579), (19, 660964), (38, 330482), (76, 165241), (149, 84284), (298, 42142), (596, 21071), (1109, 11324), (2218, 5662), (2831, 4436)]