19885138

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6427}}^1$

素因数の和:6466

約数の個数: 32

約数和(自身を含む): 38876544

約数和(自身を除く): 18991406

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 182, 221, 238, 442, 1547, 3094, 6427, 12854, 44989, 83551, 89978, 109259, 167102, 218518, 584857, 764813, 1169714, 1420367, 1529626, 2840734, 9942569, 19885138]

約数ペア:

[(1, 19885138), (2, 9942569), (7, 2840734), (13, 1529626), (14, 1420367), (17, 1169714), (26, 764813), (34, 584857), (91, 218518), (119, 167102), (182, 109259), (221, 89978), (238, 83551), (442, 44989), (1547, 12854), (3094, 6427)]