1999163912

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{617}}^1\times {\mathrm{9419}}^1$

素因数の和:10085

約数の個数: 32

約数和(自身を含む): 3842229600

約数和(自身を除く): 1843065688

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 617, 1234, 2468, 4936, 9419, 18838, 26531, 37676, 53062, 75352, 106124, 212248, 405017, 810034, 1620068, 3240136, 5811523, 11623046, 23246092, 46492184, 249895489, 499790978, 999581956, 1999163912]

約数ペア:

[(1, 1999163912), (2, 999581956), (4, 499790978), (8, 249895489), (43, 46492184), (86, 23246092), (172, 11623046), (344, 5811523), (617, 3240136), (1234, 1620068), (2468, 810034), (4936, 405017), (9419, 212248), (18838, 106124), (26531, 75352), (37676, 53062)]