20190487359

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2617}}^1\times {\mathrm{21611}}^1$

素因数の和:24255

約数の個数: 32

約数和(自身を含む): 32590204416

約数和(自身を除く): 12399717057

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 2617, 7851, 18319, 21611, 44489, 54957, 64833, 133467, 151277, 311423, 367387, 453831, 934269, 1102161, 2571709, 7715127, 56555987, 169667961, 395891909, 961451779, 1187675727, 2884355337, 6730162453, 20190487359]

約数ペア:

[(1, 20190487359), (3, 6730162453), (7, 2884355337), (17, 1187675727), (21, 961451779), (51, 395891909), (119, 169667961), (357, 56555987), (2617, 7715127), (7851, 2571709), (18319, 1102161), (21611, 934269), (44489, 453831), (54957, 367387), (64833, 311423), (133467, 151277)]