19144761

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 28131840

約数和(自身を除く): 8987079

約数列:

[1, 3, 19, 43, 57, 73, 107, 129, 219, 321, 817, 1387, 2033, 2451, 3139, 4161, 4601, 6099, 7811, 9417, 13803, 23433, 59641, 87419, 148409, 178923, 262257, 335873, 445227, 1007619, 6381587, 19144761]

約数ペア:

[(1, 19144761), (3, 6381587), (19, 1007619), (43, 445227), (57, 335873), (73, 262257), (107, 178923), (129, 148409), (219, 87419), (321, 59641), (817, 23433), (1387, 13803), (2033, 9417), (2451, 7811), (3139, 6099), (4161, 4601)]