19359956

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 42577920

約数和(自身を除く): 23217964

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 239, 263, 308, 478, 526, 956, 1052, 1673, 1841, 2629, 2893, 3346, 3682, 5258, 5786, 6692, 7364, 10516, 11572, 18403, 20251, 36806, 40502, 62857, 73612, 81004, 125714, 251428, 439999, 691427, 879998, 1382854, 1759996, 2765708, 4839989, 9679978, 19359956]

約数ペア:

[(1, 19359956), (2, 9679978), (4, 4839989), (7, 2765708), (11, 1759996), (14, 1382854), (22, 879998), (28, 691427), (44, 439999), (77, 251428), (154, 125714), (239, 81004), (263, 73612), (308, 62857), (478, 40502), (526, 36806), (956, 20251), (1052, 18403), (1673, 11572), (1841, 10516), (2629, 7364), (2893, 6692), (3346, 5786), (3682, 5258)]