19989006

素因数分解:

$2^1\times 3^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{971}}^1$

素因数の和:1096

約数の個数: 32

約数和(自身を含む): 41430528

約数和(自身を除く): 21441522

約数列:

[1, 2, 3, 6, 47, 73, 94, 141, 146, 219, 282, 438, 971, 1942, 2913, 3431, 5826, 6862, 10293, 20586, 45637, 70883, 91274, 136911, 141766, 212649, 273822, 425298, 3331501, 6663002, 9994503, 19989006]

約数ペア:

[(1, 19989006), (2, 9994503), (3, 6663002), (6, 3331501), (47, 425298), (73, 273822), (94, 212649), (141, 141766), (146, 136911), (219, 91274), (282, 70883), (438, 45637), (971, 20586), (1942, 10293), (2913, 6862), (3431, 5826)]