19526704

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{17189}}^1$

素因数の和:17268

約数の個数: 20

約数和(自身を含む): 38368080

約数和(自身を除く): 18841376

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 17189, 34378, 68756, 137512, 275024, 1220419, 2440838, 4881676, 9763352, 19526704]

約数ペア:

[(1, 19526704), (2, 9763352), (4, 4881676), (8, 2440838), (16, 1220419), (71, 275024), (142, 137512), (284, 68756), (568, 34378), (1136, 17189)]