19847820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1129}}^1$

素因数の和:1434

約数の個数: 48

約数和(自身を含む): 55812960

約数和(自身を除く): 35965140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 293, 586, 879, 1129, 1172, 1465, 1758, 2258, 2930, 3387, 3516, 4395, 4516, 5645, 5860, 6774, 8790, 11290, 13548, 16935, 17580, 22580, 33870, 67740, 330797, 661594, 992391, 1323188, 1653985, 1984782, 3307970, 3969564, 4961955, 6615940, 9923910, 19847820]

約数ペア:

[(1, 19847820), (2, 9923910), (3, 6615940), (4, 4961955), (5, 3969564), (6, 3307970), (10, 1984782), (12, 1653985), (15, 1323188), (20, 992391), (30, 661594), (60, 330797), (293, 67740), (586, 33870), (879, 22580), (1129, 17580), (1172, 16935), (1465, 13548), (1758, 11290), (2258, 8790), (2930, 6774), (3387, 5860), (3516, 5645), (4395, 4516)]