18198585

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23789}}^1$

素因数の和:23817

約数の個数: 24

約数和(自身を含む): 33401160

約数和(自身を除く): 15202575

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 23789, 71367, 118945, 214101, 356835, 404413, 1070505, 1213239, 2022065, 3639717, 6066195, 18198585]

約数ペア:

[(1, 18198585), (3, 6066195), (5, 3639717), (9, 2022065), (15, 1213239), (17, 1070505), (45, 404413), (51, 356835), (85, 214101), (153, 118945), (255, 71367), (765, 23789)]