18687972

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{36217}}^1$

素因数の和:36267

約数の個数: 24

約数和(自身を含む): 44620576

約数和(自身を除く): 25932604

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 36217, 72434, 108651, 144868, 217302, 434604, 1557331, 3114662, 4671993, 6229324, 9343986, 18687972]

約数ペア:

[(1, 18687972), (2, 9343986), (3, 6229324), (4, 4671993), (6, 3114662), (12, 1557331), (43, 434604), (86, 217302), (129, 144868), (172, 108651), (258, 72434), (516, 36217)]