20181477906

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{21154589}}^1$

素因数の和:21154650

約数の個数: 24

約数和(自身を含む): 44551566540

約数和(自身を除く): 24370088634

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 159, 318, 477, 954, 21154589, 42309178, 63463767, 126927534, 190391301, 380782602, 1121193217, 2242386434, 3363579651, 6727159302, 10090738953, 20181477906]

約数ペア:

[(1, 20181477906), (2, 10090738953), (3, 6727159302), (6, 3363579651), (9, 2242386434), (18, 1121193217), (53, 380782602), (106, 190391301), (159, 126927534), (318, 63463767), (477, 42309178), (954, 21154589)]