19729448

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{443}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 39160800

約数和(自身を除く): 19431352

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 443, 586, 886, 1172, 1772, 2344, 3544, 5567, 8417, 11134, 16834, 22268, 33668, 44536, 67336, 129799, 259598, 519196, 1038392, 2466181, 4932362, 9864724, 19729448]

約数ペア:

[(1, 19729448), (2, 9864724), (4, 4932362), (8, 2466181), (19, 1038392), (38, 519196), (76, 259598), (152, 129799), (293, 67336), (443, 44536), (586, 33668), (886, 22268), (1172, 16834), (1772, 11134), (2344, 8417), (3544, 5567)]