19902325970

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1567}}^1\times {\mathrm{29537}}^1$

素因数の和:31154

約数の個数: 32

約数和(自身を含む): 36681942528

約数和(自身を除く): 16779616558

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 1567, 3134, 7835, 15670, 29537, 59074, 67381, 134762, 147685, 295370, 336905, 673810, 1270091, 2540182, 6350455, 12700910, 46284479, 92568958, 231422395, 462844790, 1990232597, 3980465194, 9951162985, 19902325970]

約数ペア:

[(1, 19902325970), (2, 9951162985), (5, 3980465194), (10, 1990232597), (43, 462844790), (86, 231422395), (215, 92568958), (430, 46284479), (1567, 12700910), (3134, 6350455), (7835, 2540182), (15670, 1270091), (29537, 673810), (59074, 336905), (67381, 295370), (134762, 147685)]