19828950

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{163}}^1\times {\mathrm{811}}^1$

素因数の和:989

約数の個数: 48

約数和(自身を含む): 49538496

約数和(自身を除く): 29709546

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 75, 150, 163, 326, 489, 811, 815, 978, 1622, 1630, 2433, 2445, 4055, 4075, 4866, 4890, 8110, 8150, 12165, 12225, 20275, 24330, 24450, 40550, 60825, 121650, 132193, 264386, 396579, 660965, 793158, 1321930, 1982895, 3304825, 3965790, 6609650, 9914475, 19828950]

約数ペア:

[(1, 19828950), (2, 9914475), (3, 6609650), (5, 3965790), (6, 3304825), (10, 1982895), (15, 1321930), (25, 793158), (30, 660965), (50, 396579), (75, 264386), (150, 132193), (163, 121650), (326, 60825), (489, 40550), (811, 24450), (815, 24330), (978, 20275), (1622, 12225), (1630, 12165), (2433, 8150), (2445, 8110), (4055, 4890), (4075, 4866)]