18497297

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:213

約数の個数: 32

約数和(自身を含む): 24084480

約数和(自身を除く): 5587183

約数列:

[1, 7, 13, 31, 79, 83, 91, 217, 403, 553, 581, 1027, 1079, 2449, 2573, 2821, 6557, 7189, 7553, 17143, 18011, 31837, 33449, 45899, 85241, 203267, 222859, 234143, 596687, 1422869, 2642471, 18497297]

約数ペア:

[(1, 18497297), (7, 2642471), (13, 1422869), (31, 596687), (79, 234143), (83, 222859), (91, 203267), (217, 85241), (403, 45899), (553, 33449), (581, 31837), (1027, 18011), (1079, 17143), (2449, 7553), (2573, 7189), (2821, 6557)]