19855983

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55619}}^1$

素因数の和:55646

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 12181137

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55619, 166857, 389333, 945523, 1167999, 2836569, 6618661, 19855983]

約数ペア:

[(1, 19855983), (3, 6618661), (7, 2836569), (17, 1167999), (21, 945523), (51, 389333), (119, 166857), (357, 55619)]