18883713

素因数分解:

$3^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 24

約数和(自身を含む): 26844832

約数和(自身を除く): 7961119

約数列:

[1, 3, 23, 69, 73, 163, 219, 489, 529, 1587, 1679, 3749, 5037, 11247, 11899, 35697, 38617, 86227, 115851, 258681, 273677, 821031, 6294571, 18883713]

約数ペア:

[(1, 18883713), (3, 6294571), (23, 821031), (69, 273677), (73, 258681), (163, 115851), (219, 86227), (489, 38617), (529, 35697), (1587, 11899), (1679, 11247), (3749, 5037)]