19789730

素因数分解:

$2^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1433}}^1$

素因数の和:2821

約数の個数: 16

約数和(自身を含む): 35672184

約数和(自身を除く): 15882454

約数列:

[1, 2, 5, 10, 1381, 1433, 2762, 2866, 6905, 7165, 13810, 14330, 1978973, 3957946, 9894865, 19789730]

約数ペア:

[(1, 19789730), (2, 9894865), (5, 3957946), (10, 1978973), (1381, 14330), (1433, 13810), (2762, 7165), (2866, 6905)]