18345899

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 22120560

約数和(自身を除く): 3774661

約数列:

[1, 11, 13, 107, 109, 121, 143, 1177, 1199, 1391, 1417, 1573, 11663, 12947, 13189, 15301, 15587, 128293, 151619, 168311, 171457, 1411223, 1667809, 18345899]

約数ペア:

[(1, 18345899), (11, 1667809), (13, 1411223), (107, 171457), (109, 168311), (121, 151619), (143, 128293), (1177, 15587), (1199, 15301), (1391, 13189), (1417, 12947), (1573, 11663)]