18152019

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{7229}}^1$

素因数の和:7272

約数の個数: 20

約数和(自身を含む): 27994560

約数和(自身を除く): 9842541

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 7229, 21687, 65061, 195183, 224099, 585549, 672297, 2016891, 6050673, 18152019]

約数ペア:

[(1, 18152019), (3, 6050673), (9, 2016891), (27, 672297), (31, 585549), (81, 224099), (93, 195183), (279, 65061), (837, 21687), (2511, 7229)]