19795055

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 30650880

約数和(自身を除く): 10855825

約数列:

[1, 5, 7, 17, 19, 35, 85, 95, 103, 119, 133, 289, 323, 515, 595, 665, 721, 1445, 1615, 1751, 1957, 2023, 2261, 3605, 5491, 8755, 9785, 10115, 11305, 12257, 13699, 27455, 29767, 33269, 38437, 61285, 68495, 148835, 166345, 192185, 208369, 232883, 565573, 1041845, 1164415, 2827865, 3959011, 19795055]

約数ペア:

[(1, 19795055), (5, 3959011), (7, 2827865), (17, 1164415), (19, 1041845), (35, 565573), (85, 232883), (95, 208369), (103, 192185), (119, 166345), (133, 148835), (289, 68495), (323, 61285), (515, 38437), (595, 33269), (665, 29767), (721, 27455), (1445, 13699), (1615, 12257), (1751, 11305), (1957, 10115), (2023, 9785), (2261, 8755), (3605, 5491)]