18855972

素因数分解:

$2^2\times 3^2\times {\mathrm{523777}}^1$

素因数の和:523787

約数の個数: 18

約数和(自身を含む): 47663798

約数和(自身を除く): 28807826

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 523777, 1047554, 1571331, 2095108, 3142662, 4713993, 6285324, 9427986, 18855972]

約数ペア:

[(1, 18855972), (2, 9427986), (3, 6285324), (4, 4713993), (6, 3142662), (9, 2095108), (12, 1571331), (18, 1047554), (36, 523777)]