16219905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{373}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 28148736

約数和(自身を除く): 11928831

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 223, 373, 669, 1115, 1119, 1865, 2899, 3345, 4849, 5595, 8697, 14495, 14547, 24245, 43485, 72735, 83179, 249537, 415895, 1081327, 1247685, 3243981, 5406635, 16219905]

約数ペア:

[(1, 16219905), (3, 5406635), (5, 3243981), (13, 1247685), (15, 1081327), (39, 415895), (65, 249537), (195, 83179), (223, 72735), (373, 43485), (669, 24245), (1115, 14547), (1119, 14495), (1865, 8697), (2899, 5595), (3345, 4849)]