19690088

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{20341}}^1$

素因数の和:20369

約数の個数: 24

約数和(自身を含む): 40582290

約数和(自身を除く): 20892202

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 20341, 40682, 81364, 162728, 223751, 447502, 895004, 1790008, 2461261, 4922522, 9845044, 19690088]

約数ペア:

[(1, 19690088), (2, 9845044), (4, 4922522), (8, 2461261), (11, 1790008), (22, 895004), (44, 447502), (88, 223751), (121, 162728), (242, 81364), (484, 40682), (968, 20341)]