19926750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{163}}^2$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 50044176

約数和(自身を除く): 30117426

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 125, 150, 163, 250, 326, 375, 489, 750, 815, 978, 1630, 2445, 4075, 4890, 8150, 12225, 20375, 24450, 26569, 40750, 53138, 61125, 79707, 122250, 132845, 159414, 265690, 398535, 664225, 797070, 1328450, 1992675, 3321125, 3985350, 6642250, 9963375, 19926750]

約数ペア:

[(1, 19926750), (2, 9963375), (3, 6642250), (5, 3985350), (6, 3321125), (10, 1992675), (15, 1328450), (25, 797070), (30, 664225), (50, 398535), (75, 265690), (125, 159414), (150, 132845), (163, 122250), (250, 79707), (326, 61125), (375, 53138), (489, 40750), (750, 26569), (815, 24450), (978, 20375), (1630, 12225), (2445, 8150), (4075, 4890)]