19949385

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{28297}}^1$

素因数の和:28352

約数の個数: 16

約数和(自身を含む): 32599296

約数和(自身を除く): 12649911

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 28297, 84891, 141485, 424455, 1329959, 3989877, 6649795, 19949385]

約数ペア:

[(1, 19949385), (3, 6649795), (5, 3989877), (15, 1329959), (47, 424455), (141, 141485), (235, 84891), (705, 28297)]