19782914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1069}}^1$

素因数の和:1577

約数の個数: 16

約数和(自身を含む): 31329600

約数和(自身を除く): 11546686

約数列:

[1, 2, 19, 38, 487, 974, 1069, 2138, 9253, 18506, 20311, 40622, 520603, 1041206, 9891457, 19782914]

約数ペア:

[(1, 19782914), (2, 9891457), (19, 1041206), (38, 520603), (487, 40622), (974, 20311), (1069, 18506), (2138, 9253)]