19210786

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{72221}}^1$

素因数の和:72249

約数の個数: 16

約数和(自身を含む): 34666560

約数和(自身を除く): 15455774

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 72221, 144442, 505547, 1011094, 1372199, 2744398, 9605393, 19210786]

約数ペア:

[(1, 19210786), (2, 9605393), (7, 2744398), (14, 1372199), (19, 1011094), (38, 505547), (133, 144442), (266, 72221)]