19203723

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3079}}^1$

素因数の和:3109

約数の個数: 40

約数和(自身を含む): 35777280

約数和(自身を除く): 16573557

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3079, 6237, 9237, 21553, 27711, 33869, 64659, 83133, 101607, 193977, 237083, 249399, 304821, 581931, 711249, 914463, 1745793, 2133747, 2743389, 6401241, 19203723]

約数ペア:

[(1, 19203723), (3, 6401241), (7, 2743389), (9, 2133747), (11, 1745793), (21, 914463), (27, 711249), (33, 581931), (63, 304821), (77, 249399), (81, 237083), (99, 193977), (189, 101607), (231, 83133), (297, 64659), (567, 33869), (693, 27711), (891, 21553), (2079, 9237), (3079, 6237)]