19547619

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 33439392

約数和(自身を除く): 13891773

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 193, 273, 371, 579, 637, 689, 1113, 1351, 1911, 2067, 2509, 2597, 4053, 4823, 7527, 7791, 9457, 10229, 14469, 17563, 28371, 30687, 33761, 52689, 71603, 101283, 122941, 132977, 214809, 368823, 398931, 501221, 930839, 1503663, 2792517, 6515873, 19547619]

約数ペア:

[(1, 19547619), (3, 6515873), (7, 2792517), (13, 1503663), (21, 930839), (39, 501221), (49, 398931), (53, 368823), (91, 214809), (147, 132977), (159, 122941), (193, 101283), (273, 71603), (371, 52689), (579, 33761), (637, 30687), (689, 28371), (1113, 17563), (1351, 14469), (1911, 10229), (2067, 9457), (2509, 7791), (2597, 7527), (4053, 4823)]