19549885

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{3617}}^1$

素因数の和:3692

約数の個数: 16

約数和(自身を含む): 25007616

約数和(自身を除く): 5457731

約数列:

[1, 5, 23, 47, 115, 235, 1081, 3617, 5405, 18085, 83191, 169999, 415955, 849995, 3909977, 19549885]

約数ペア:

[(1, 19549885), (5, 3909977), (23, 849995), (47, 415955), (115, 169999), (235, 83191), (1081, 18085), (3617, 5405)]