19855159225

素因数分解:

$5^2\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{16127}}^1$

素因数の和:16207

約数の個数: 48

約数和(自身を含む): 27814219776

約数和(自身を除く): 7959060551

約数列:

[1, 5, 11, 25, 37, 55, 121, 185, 275, 407, 605, 925, 1331, 2035, 3025, 4477, 6655, 10175, 16127, 22385, 33275, 49247, 80635, 111925, 177397, 246235, 403175, 596699, 886985, 1231175, 1951367, 2983495, 4434925, 6563689, 9756835, 14917475, 21465037, 32818445, 48784175, 72200579, 107325185, 164092225, 361002895, 536625925, 794206369, 1805014475, 3971031845, 19855159225]

約数ペア:

[(1, 19855159225), (5, 3971031845), (11, 1805014475), (25, 794206369), (37, 536625925), (55, 361002895), (121, 164092225), (185, 107325185), (275, 72200579), (407, 48784175), (605, 32818445), (925, 21465037), (1331, 14917475), (2035, 9756835), (3025, 6563689), (4477, 4434925), (6655, 2983495), (10175, 1951367), (16127, 1231175), (22385, 886985), (33275, 596699), (49247, 403175), (80635, 246235), (111925, 177397)]