19727090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{24971}}^1$

素因数の和:25057

約数の個数: 16

約数和(自身を含む): 35959680

約数和(自身を除く): 16232590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 24971, 49942, 124855, 249710, 1972709, 3945418, 9863545, 19727090]

約数ペア:

[(1, 19727090), (2, 9863545), (5, 3945418), (10, 1972709), (79, 249710), (158, 124855), (395, 49942), (790, 24971)]