19560005

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2153}}^1$

素因数の和:2260

約数の個数: 16

約数和(自身を含む): 24814080

約数和(自身を除く): 5254075

約数列:

[1, 5, 23, 79, 115, 395, 1817, 2153, 9085, 10765, 49519, 170087, 247595, 850435, 3912001, 19560005]

約数ペア:

[(1, 19560005), (5, 3912001), (23, 850435), (79, 247595), (115, 170087), (395, 49519), (1817, 10765), (2153, 9085)]