19975319

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{967}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 24718848

約数和(自身を除く): 4743529

約数列:

[1, 7, 13, 91, 227, 967, 1589, 2951, 6769, 12571, 20657, 87997, 219509, 1536563, 2853617, 19975319]

約数ペア:

[(1, 19975319), (7, 2853617), (13, 1536563), (91, 219509), (227, 87997), (967, 20657), (1589, 12571), (2951, 6769)]