187864780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{494381}}^1$

素因数の和:494409

約数の個数: 24

約数和(自身を含む): 415280880

約数和(自身を除く): 227416100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 494381, 988762, 1977524, 2471905, 4943810, 9393239, 9887620, 18786478, 37572956, 46966195, 93932390, 187864780]

約数ペア:

[(1, 187864780), (2, 93932390), (4, 46966195), (5, 37572956), (10, 18786478), (19, 9887620), (20, 9393239), (38, 4943810), (76, 2471905), (95, 1977524), (190, 988762), (380, 494381)]