19945500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13297}}^1$

素因数の和:13319

約数の個数: 48

約数和(自身を含む): 58085664

約数和(自身を除く): 38140164

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 13297, 26594, 39891, 53188, 66485, 79782, 132970, 159564, 199455, 265940, 332425, 398910, 664850, 797820, 997275, 1329700, 1662125, 1994550, 3324250, 3989100, 4986375, 6648500, 9972750, 19945500]

約数ペア:

[(1, 19945500), (2, 9972750), (3, 6648500), (4, 4986375), (5, 3989100), (6, 3324250), (10, 1994550), (12, 1662125), (15, 1329700), (20, 997275), (25, 797820), (30, 664850), (50, 398910), (60, 332425), (75, 265940), (100, 199455), (125, 159564), (150, 132970), (250, 79782), (300, 66485), (375, 53188), (500, 39891), (750, 26594), (1500, 13297)]