18782984

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{463}}^1$

素因数の和:941

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 19803256

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 461, 463, 922, 926, 1844, 1852, 3688, 3704, 5071, 5093, 10142, 10186, 20284, 20372, 40568, 40744, 213443, 426886, 853772, 1707544, 2347873, 4695746, 9391492, 18782984]

約数ペア:

[(1, 18782984), (2, 9391492), (4, 4695746), (8, 2347873), (11, 1707544), (22, 853772), (44, 426886), (88, 213443), (461, 40744), (463, 40568), (922, 20372), (926, 20284), (1844, 10186), (1852, 10142), (3688, 5093), (3704, 5071)]