19803640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29123}}^1$

素因数の和:29151

約数の個数: 32

約数和(自身を含む): 47180880

約数和(自身を除く): 27377240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 29123, 58246, 116492, 145615, 232984, 291230, 495091, 582460, 990182, 1164920, 1980364, 2475455, 3960728, 4950910, 9901820, 19803640]

約数ペア:

[(1, 19803640), (2, 9901820), (4, 4950910), (5, 3960728), (8, 2475455), (10, 1980364), (17, 1164920), (20, 990182), (34, 582460), (40, 495091), (68, 291230), (85, 232984), (136, 145615), (170, 116492), (340, 58246), (680, 29123)]