17980182

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1279}}^1$

素因数の和:1369

約数の個数: 48

約数和(自身を含む): 43130880

約数和(自身を除く): 25150698

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 71, 99, 142, 198, 213, 426, 639, 781, 1278, 1279, 1562, 2343, 2558, 3837, 4686, 7029, 7674, 11511, 14058, 14069, 23022, 28138, 42207, 84414, 90809, 126621, 181618, 253242, 272427, 544854, 817281, 998899, 1634562, 1997798, 2996697, 5993394, 8990091, 17980182]

約数ペア:

[(1, 17980182), (2, 8990091), (3, 5993394), (6, 2996697), (9, 1997798), (11, 1634562), (18, 998899), (22, 817281), (33, 544854), (66, 272427), (71, 253242), (99, 181618), (142, 126621), (198, 90809), (213, 84414), (426, 42207), (639, 28138), (781, 23022), (1278, 14069), (1279, 14058), (1562, 11511), (2343, 7674), (2558, 7029), (3837, 4686)]