19834180

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23063}}^1$

素因数の和:23115

約数の個数: 24

約数和(自身を含む): 42622272

約数和(自身を除く): 22788092

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 23063, 46126, 92252, 115315, 230630, 461260, 991709, 1983418, 3966836, 4958545, 9917090, 19834180]

約数ペア:

[(1, 19834180), (2, 9917090), (4, 4958545), (5, 3966836), (10, 1983418), (20, 991709), (43, 461260), (86, 230630), (172, 115315), (215, 92252), (430, 46126), (860, 23063)]