19274995

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:774

約数の個数: 16

約数和(自身を含む): 24060960

約数和(自身を除く): 4785965

約数列:

[1, 5, 29, 145, 307, 433, 1535, 2165, 8903, 12557, 44515, 62785, 132931, 664655, 3854999, 19274995]

約数ペア:

[(1, 19274995), (5, 3854999), (29, 664655), (145, 132931), (307, 62785), (433, 44515), (1535, 12557), (2165, 8903)]