18165215

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1$

素因数の和:646

約数の個数: 16

約数和(自身を含む): 22377600

約数和(自身を除く): 4212385

約数列:

[1, 5, 59, 139, 295, 443, 695, 2215, 8201, 26137, 41005, 61577, 130685, 307885, 3633043, 18165215]

約数ペア:

[(1, 18165215), (5, 3633043), (59, 307885), (139, 130685), (295, 61577), (443, 41005), (695, 26137), (2215, 8201)]