19631900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4177}}^1$

素因数の和:4238

約数の個数: 36

約数和(自身を含む): 43518048

約数和(自身を除く): 23886148

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 188, 235, 470, 940, 1175, 2350, 4177, 4700, 8354, 16708, 20885, 41770, 83540, 104425, 196319, 208850, 392638, 417700, 785276, 981595, 1963190, 3926380, 4907975, 9815950, 19631900]

約数ペア:

[(1, 19631900), (2, 9815950), (4, 4907975), (5, 3926380), (10, 1963190), (20, 981595), (25, 785276), (47, 417700), (50, 392638), (94, 208850), (100, 196319), (188, 104425), (235, 83540), (470, 41770), (940, 20885), (1175, 16708), (2350, 8354), (4177, 4700)]