18340335

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:424

約数の個数: 48

約数和(自身を含む): 34673184

約数和(自身を除く): 16332849

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 107, 117, 195, 293, 321, 535, 585, 879, 963, 1391, 1465, 1605, 2637, 3809, 4173, 4395, 4815, 6955, 11427, 12519, 13185, 19045, 20865, 31351, 34281, 57135, 62595, 94053, 156755, 171405, 282159, 407563, 470265, 1222689, 1410795, 2037815, 3668067, 6113445, 18340335]

約数ペア:

[(1, 18340335), (3, 6113445), (5, 3668067), (9, 2037815), (13, 1410795), (15, 1222689), (39, 470265), (45, 407563), (65, 282159), (107, 171405), (117, 156755), (195, 94053), (293, 62595), (321, 57135), (535, 34281), (585, 31351), (879, 20865), (963, 19045), (1391, 13185), (1465, 12519), (1605, 11427), (2637, 6955), (3809, 4815), (4173, 4395)]