19777976

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2287}}^1$

素因数の和:2363

約数の個数: 32

約数和(自身を含む): 39536640

約数和(自身を除く): 19758664

約数列:

[1, 2, 4, 8, 23, 46, 47, 92, 94, 184, 188, 376, 1081, 2162, 2287, 4324, 4574, 8648, 9148, 18296, 52601, 105202, 107489, 210404, 214978, 420808, 429956, 859912, 2472247, 4944494, 9888988, 19777976]

約数ペア:

[(1, 19777976), (2, 9888988), (4, 4944494), (8, 2472247), (23, 859912), (46, 429956), (47, 420808), (92, 214978), (94, 210404), (184, 107489), (188, 105202), (376, 52601), (1081, 18296), (2162, 9148), (2287, 8648), (4324, 4574)]