19971666

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{7759}}^1$

素因数の和:7791

約数の個数: 48

約数和(自身を含む): 50843520

約数和(自身を除く): 30871854

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 198, 234, 286, 429, 858, 1287, 2574, 7759, 15518, 23277, 46554, 69831, 85349, 100867, 139662, 170698, 201734, 256047, 302601, 512094, 605202, 768141, 907803, 1109537, 1536282, 1815606, 2219074, 3328611, 6657222, 9985833, 19971666]

約数ペア:

[(1, 19971666), (2, 9985833), (3, 6657222), (6, 3328611), (9, 2219074), (11, 1815606), (13, 1536282), (18, 1109537), (22, 907803), (26, 768141), (33, 605202), (39, 512094), (66, 302601), (78, 256047), (99, 201734), (117, 170698), (143, 139662), (198, 100867), (234, 85349), (286, 69831), (429, 46554), (858, 23277), (1287, 15518), (2574, 7759)]