19154709

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{6469}}^1$

素因数の和:6529

約数の個数: 24

約数和(自身を含む): 32298240

約数和(自身を除く): 13143531

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 987, 2961, 6469, 19407, 45283, 58221, 135849, 304043, 407547, 912129, 2128301, 2736387, 6384903, 19154709]

約数ペア:

[(1, 19154709), (3, 6384903), (7, 2736387), (9, 2128301), (21, 912129), (47, 407547), (63, 304043), (141, 135849), (329, 58221), (423, 45283), (987, 19407), (2961, 6469)]