19784530

素因数分解:

$2^1\times 5^1\times {\mathrm{283}}^1\times {\mathrm{6991}}^1$

素因数の和:7281

約数の個数: 16

約数和(自身を含む): 35743104

約数和(自身を除く): 15958574

約数列:

[1, 2, 5, 10, 283, 566, 1415, 2830, 6991, 13982, 34955, 69910, 1978453, 3956906, 9892265, 19784530]

約数ペア:

[(1, 19784530), (2, 9892265), (5, 3956906), (10, 1978453), (283, 69910), (566, 34955), (1415, 13982), (2830, 6991)]