18805941

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2467}}^1$

素因数の和:2502

約数の個数: 36

約数和(自身を含む): 34137376

約数和(自身を除く): 15331435

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 121, 231, 363, 693, 847, 1089, 2467, 2541, 7401, 7623, 17269, 22203, 27137, 51807, 81411, 155421, 189959, 244233, 298507, 569877, 895521, 1709631, 2089549, 2686563, 6268647, 18805941]

約数ペア:

[(1, 18805941), (3, 6268647), (7, 2686563), (9, 2089549), (11, 1709631), (21, 895521), (33, 569877), (63, 298507), (77, 244233), (99, 189959), (121, 155421), (231, 81411), (363, 51807), (693, 27137), (847, 22203), (1089, 17269), (2467, 7623), (2541, 7401)]