19917692

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{2281}}^1$

素因数の和:2381

約数の個数: 24

約数和(自身を含む): 36420720

約数和(自身を除く): 16503028

約数列:

[1, 2, 4, 37, 59, 74, 118, 148, 236, 2183, 2281, 4366, 4562, 8732, 9124, 84397, 134579, 168794, 269158, 337588, 538316, 4979423, 9958846, 19917692]

約数ペア:

[(1, 19917692), (2, 9958846), (4, 4979423), (37, 538316), (59, 337588), (74, 269158), (118, 168794), (148, 134579), (236, 84397), (2183, 9124), (2281, 8732), (4366, 4562)]