19188369

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{349}}^1$

素因数の和:545

約数の個数: 24

約数和(自身を含む): 28665000

約数和(自身を除く): 9476631

約数列:

[1, 3, 9, 41, 123, 149, 349, 369, 447, 1047, 1341, 3141, 6109, 14309, 18327, 42927, 52001, 54981, 128781, 156003, 468009, 2132041, 6396123, 19188369]

約数ペア:

[(1, 19188369), (3, 6396123), (9, 2132041), (41, 468009), (123, 156003), (149, 128781), (349, 54981), (369, 52001), (447, 42927), (1047, 18327), (1341, 14309), (3141, 6109)]