18155005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 24893568

約数和(自身を除く): 6738563

約数列:

[1, 5, 11, 41, 55, 83, 97, 205, 415, 451, 485, 913, 1067, 2255, 3403, 3977, 4565, 5335, 8051, 17015, 19885, 37433, 40255, 43747, 88561, 187165, 218735, 330091, 442805, 1650455, 3631001, 18155005]

約数ペア:

[(1, 18155005), (5, 3631001), (11, 1650455), (41, 442805), (55, 330091), (83, 218735), (97, 187165), (205, 88561), (415, 43747), (451, 40255), (485, 37433), (913, 19885), (1067, 17015), (2255, 8051), (3403, 5335), (3977, 4565)]