19314009

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 33633600

約数和(自身を除く): 14319591

約数列:

[1, 3, 9, 11, 13, 33, 39, 43, 99, 117, 129, 143, 349, 387, 429, 473, 559, 1047, 1287, 1419, 1677, 3141, 3839, 4257, 4537, 5031, 6149, 11517, 13611, 15007, 18447, 34551, 40833, 45021, 49907, 55341, 135063, 149721, 165077, 195091, 449163, 495231, 585273, 1485693, 1755819, 2146001, 6438003, 19314009]

約数ペア:

[(1, 19314009), (3, 6438003), (9, 2146001), (11, 1755819), (13, 1485693), (33, 585273), (39, 495231), (43, 449163), (99, 195091), (117, 165077), (129, 149721), (143, 135063), (349, 55341), (387, 49907), (429, 45021), (473, 40833), (559, 34551), (1047, 18447), (1287, 15007), (1419, 13611), (1677, 11517), (3141, 6149), (3839, 5031), (4257, 4537)]