18913752221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{12211}}^1\times {\mathrm{17021}}^1$

素因数の和:29252

約数の個数: 16

約数和(自身を含む): 23281738368

約数和(自身を除く): 4367986147

約数列:

[1, 7, 13, 91, 12211, 17021, 85477, 119147, 158743, 221273, 1111201, 1548911, 207843431, 1454904017, 2701964603, 18913752221]

約数ペア:

[(1, 18913752221), (7, 2701964603), (13, 1454904017), (91, 207843431), (12211, 1548911), (17021, 1111201), (85477, 221273), (119147, 158743)]