19163709

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{4639}}^1$

素因数の和:4671

約数の個数: 24

約数和(自身を含む): 30401280

約数和(自身を除く): 11237571

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 4639, 13917, 41751, 78863, 125253, 236589, 375759, 709767, 1127277, 2129301, 6387903, 19163709]

約数ペア:

[(1, 19163709), (3, 6387903), (9, 2129301), (17, 1127277), (27, 709767), (51, 375759), (81, 236589), (153, 125253), (243, 78863), (459, 41751), (1377, 13917), (4131, 4639)]