1999553654

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{259211}}^1$

素因数の和:259268

約数の個数: 32

約数和(自身を含む): 3732652800

約数和(自身を除く): 1733099146

約数列:

[1, 2, 7, 14, 19, 29, 38, 58, 133, 203, 266, 406, 551, 1102, 3857, 7714, 259211, 518422, 1814477, 3628954, 4925009, 7517119, 9850018, 15034238, 34475063, 52619833, 68950126, 105239666, 142825261, 285650522, 999776827, 1999553654]

約数ペア:

[(1, 1999553654), (2, 999776827), (7, 285650522), (14, 142825261), (19, 105239666), (29, 68950126), (38, 52619833), (58, 34475063), (133, 15034238), (203, 9850018), (266, 7517119), (406, 4925009), (551, 3628954), (1102, 1814477), (3857, 518422), (7714, 259211)]