18821142145

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{463}}^1\times {\mathrm{659}}^1$

素因数の和:1226

約数の個数: 48

約数和(自身を含む): 24882612480

約数和(自身を除く): 6061470335

約数列:

[1, 5, 13, 65, 73, 169, 365, 463, 659, 845, 949, 2315, 3295, 4745, 6019, 8567, 12337, 30095, 33799, 42835, 48107, 61685, 78247, 111371, 168995, 240535, 305117, 391235, 439387, 556855, 625391, 1525585, 2196935, 3126955, 3966521, 5712031, 8130083, 19832605, 22273541, 28560155, 40650415, 51564773, 111367705, 257823865, 289556033, 1447780165, 3764228429, 18821142145]

約数ペア:

[(1, 18821142145), (5, 3764228429), (13, 1447780165), (65, 289556033), (73, 257823865), (169, 111367705), (365, 51564773), (463, 40650415), (659, 28560155), (845, 22273541), (949, 19832605), (2315, 8130083), (3295, 5712031), (4745, 3966521), (6019, 3126955), (8567, 2196935), (12337, 1525585), (30095, 625391), (33799, 556855), (42835, 439387), (48107, 391235), (61685, 305117), (78247, 240535), (111371, 168995)]