19604965

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1\times {\mathrm{443}}^1$

素因数の和:668

約数の個数: 16

約数和(自身を含む): 24167808

約数和(自身を除く): 4562843

約数列:

[1, 5, 53, 167, 265, 443, 835, 2215, 8851, 23479, 44255, 73981, 117395, 369905, 3920993, 19604965]

約数ペア:

[(1, 19604965), (5, 3920993), (53, 369905), (167, 117395), (265, 73981), (443, 44255), (835, 23479), (2215, 8851)]