19154877

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 30689280

約数和(自身を除く): 11534403

約数列:

[1, 3, 7, 21, 29, 71, 87, 203, 213, 443, 497, 609, 1329, 1491, 2059, 3101, 6177, 9303, 12847, 14413, 31453, 38541, 43239, 89929, 94359, 220171, 269787, 660513, 912137, 2736411, 6384959, 19154877]

約数ペア:

[(1, 19154877), (3, 6384959), (7, 2736411), (21, 912137), (29, 660513), (71, 269787), (87, 220171), (203, 94359), (213, 89929), (443, 43239), (497, 38541), (609, 31453), (1329, 14413), (1491, 12847), (2059, 9303), (3101, 6177)]