19504849

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{389}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 26208000

約数和(自身を除く): 6703151

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 389, 551, 1729, 2639, 2723, 3857, 5057, 7163, 7391, 11281, 35399, 50141, 51737, 78967, 96083, 146653, 214339, 672581, 1026571, 1500373, 2786407, 19504849]

約数ペア:

[(1, 19504849), (7, 2786407), (13, 1500373), (19, 1026571), (29, 672581), (91, 214339), (133, 146653), (203, 96083), (247, 78967), (377, 51737), (389, 50141), (551, 35399), (1729, 11281), (2639, 7391), (2723, 7163), (3857, 5057)]