18791301

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 27394048

約数和(自身を除く): 8602747

約数列:

[1, 3, 31, 37, 43, 93, 111, 127, 129, 381, 1147, 1333, 1591, 3441, 3937, 3999, 4699, 4773, 5461, 11811, 14097, 16383, 49321, 145669, 147963, 169291, 202057, 437007, 507873, 606171, 6263767, 18791301]

約数ペア:

[(1, 18791301), (3, 6263767), (31, 606171), (37, 507873), (43, 437007), (93, 202057), (111, 169291), (127, 147963), (129, 145669), (381, 49321), (1147, 16383), (1333, 14097), (1591, 11811), (3441, 5461), (3937, 4773), (3999, 4699)]