18789364

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{38821}}^1$

素因数の和:38847

約数の個数: 18

約数和(自身を含む): 36143282

約数和(自身を除く): 17353918

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 38821, 77642, 155284, 427031, 854062, 1708124, 4697341, 9394682, 18789364]

約数ペア:

[(1, 18789364), (2, 9394682), (4, 4697341), (11, 1708124), (22, 854062), (44, 427031), (121, 155284), (242, 77642), (484, 38821)]