18720232479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{3881}}^1\times {\mathrm{41227}}^1$

素因数の和:45127

約数の個数: 24

約数和(自身を含む): 29128571472

約数和(自身を除く): 10408338993

約数列:

[1, 3, 9, 13, 39, 117, 3881, 11643, 34929, 41227, 50453, 123681, 151359, 371043, 454077, 535951, 1607853, 4823559, 160001987, 480005961, 1440017883, 2080025831, 6240077493, 18720232479]

約数ペア:

[(1, 18720232479), (3, 6240077493), (9, 2080025831), (13, 1440017883), (39, 480005961), (117, 160001987), (3881, 4823559), (11643, 1607853), (34929, 535951), (41227, 454077), (50453, 371043), (123681, 151359)]