19850972

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{1753}}^1$

素因数の和:1925

約数の個数: 24

約数和(自身を含む): 36834000

約数和(自身を除く): 16983028

約数列:

[1, 2, 4, 19, 38, 76, 149, 298, 596, 1753, 2831, 3506, 5662, 7012, 11324, 33307, 66614, 133228, 261197, 522394, 1044788, 4962743, 9925486, 19850972]

約数ペア:

[(1, 19850972), (2, 9925486), (4, 4962743), (19, 1044788), (38, 522394), (76, 261197), (149, 133228), (298, 66614), (596, 33307), (1753, 11324), (2831, 7012), (3506, 5662)]