19758568

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 37992960

約数和(自身を除く): 18234392

約数列:

[1, 2, 4, 8, 67, 134, 191, 193, 268, 382, 386, 536, 764, 772, 1528, 1544, 12797, 12931, 25594, 25862, 36863, 51188, 51724, 73726, 102376, 103448, 147452, 294904, 2469821, 4939642, 9879284, 19758568]

約数ペア:

[(1, 19758568), (2, 9879284), (4, 4939642), (8, 2469821), (67, 294904), (134, 147452), (191, 103448), (193, 102376), (268, 73726), (382, 51724), (386, 51188), (536, 36863), (764, 25862), (772, 25594), (1528, 12931), (1544, 12797)]