19939185

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{63299}}^1$

素因数の和:63317

約数の個数: 24

約数和(自身を含む): 39499200

約数和(自身を除く): 19560015

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 63299, 189897, 316495, 443093, 569691, 949485, 1329279, 2215465, 2848455, 3987837, 6646395, 19939185]

約数ペア:

[(1, 19939185), (3, 6646395), (5, 3987837), (7, 2848455), (9, 2215465), (15, 1329279), (21, 949485), (35, 569691), (45, 443093), (63, 316495), (105, 189897), (315, 63299)]