19955195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18059}}^1$

素因数の和:18094

約数の個数: 16

約数和(自身を含む): 27306720

約数和(自身を除く): 7351525

約数列:

[1, 5, 13, 17, 65, 85, 221, 1105, 18059, 90295, 234767, 307003, 1173835, 1535015, 3991039, 19955195]

約数ペア:

[(1, 19955195), (5, 3991039), (13, 1535015), (17, 1173835), (65, 307003), (85, 234767), (221, 90295), (1105, 18059)]