19416715

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{1549}}^1$

素因数の和:1686

約数の個数: 16

約数和(自身を含む): 24552000

約数和(自身を除く): 5135285

約数列:

[1, 5, 23, 109, 115, 545, 1549, 2507, 7745, 12535, 35627, 168841, 178135, 844205, 3883343, 19416715]

約数ペア:

[(1, 19416715), (5, 3883343), (23, 844205), (109, 178135), (115, 168841), (545, 35627), (1549, 12535), (2507, 7745)]