19793631

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:136

約数の個数: 64

約数和(自身を含む): 33707520

約数和(自身を除く): 13913889

約数列:

[1, 3, 11, 13, 29, 33, 37, 39, 43, 87, 111, 129, 143, 319, 377, 407, 429, 473, 481, 559, 957, 1073, 1131, 1221, 1247, 1419, 1443, 1591, 1677, 3219, 3741, 4147, 4773, 5291, 6149, 11803, 12441, 13717, 13949, 15873, 16211, 17501, 18447, 20683, 35409, 41151, 41847, 46139, 48633, 52503, 62049, 138417, 153439, 178321, 227513, 460317, 507529, 534963, 599807, 682539, 1522587, 1799421, 6597877, 19793631]

約数ペア:

[(1, 19793631), (3, 6597877), (11, 1799421), (13, 1522587), (29, 682539), (33, 599807), (37, 534963), (39, 507529), (43, 460317), (87, 227513), (111, 178321), (129, 153439), (143, 138417), (319, 62049), (377, 52503), (407, 48633), (429, 46139), (473, 41847), (481, 41151), (559, 35409), (957, 20683), (1073, 18447), (1131, 17501), (1221, 16211), (1247, 15873), (1419, 13949), (1443, 13717), (1591, 12441), (1677, 11803), (3219, 6149), (3741, 5291), (4147, 4773)]