17918173

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1223}}^1$

素因数の和:1273

約数の個数: 24

約数和(自身を含む): 23442048

約数和(自身を除く): 5523875

約数列:

[1, 7, 13, 23, 49, 91, 161, 299, 637, 1127, 1223, 2093, 8561, 14651, 15899, 28129, 59927, 111293, 196903, 365677, 779051, 1378321, 2559739, 17918173]

約数ペア:

[(1, 17918173), (7, 2559739), (13, 1378321), (23, 779051), (49, 365677), (91, 196903), (161, 111293), (299, 59927), (637, 28129), (1127, 15899), (1223, 14651), (2093, 8561)]