19206845

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 8441155

約数列:

[1, 5, 7, 29, 35, 127, 145, 149, 203, 635, 745, 889, 1015, 1043, 3683, 4321, 4445, 5215, 18415, 18923, 21605, 25781, 30247, 94615, 128905, 132461, 151235, 548767, 662305, 2743835, 3841369, 19206845]

約数ペア:

[(1, 19206845), (5, 3841369), (7, 2743835), (29, 662305), (35, 548767), (127, 151235), (145, 132461), (149, 128905), (203, 94615), (635, 30247), (745, 25781), (889, 21605), (1015, 18923), (1043, 18415), (3683, 5215), (4321, 4445)]