387909890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2041631}}^1$

素因数の和:2041657

約数の個数: 16

約数和(自身を含む): 734987520

約数和(自身を除く): 347077630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 2041631, 4083262, 10208155, 20416310, 38790989, 77581978, 193954945, 387909890]

約数ペア:

[(1, 387909890), (2, 193954945), (5, 77581978), (10, 38790989), (19, 20416310), (38, 10208155), (95, 4083262), (190, 2041631)]