19380315

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{30047}}^1$

素因数の和:30098

約数の個数: 16

約数和(自身を含む): 31730688

約数和(自身を除く): 12350373

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 30047, 90141, 150235, 450705, 1292021, 3876063, 6460105, 19380315]

約数ペア:

[(1, 19380315), (3, 6460105), (5, 3876063), (15, 1292021), (43, 450705), (129, 150235), (215, 90141), (645, 30047)]