19992014

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1321}}^1$

素因数の和:1400

約数の個数: 32

約数和(自身を含む): 36550656

約数和(自身を除く): 16558642

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1321, 2162, 2642, 7567, 9247, 15134, 18494, 30383, 60766, 62087, 124174, 212681, 425362, 434609, 869218, 1428001, 2856002, 9996007, 19992014]

約数ペア:

[(1, 19992014), (2, 9996007), (7, 2856002), (14, 1428001), (23, 869218), (46, 434609), (47, 425362), (94, 212681), (161, 124174), (322, 62087), (329, 60766), (658, 30383), (1081, 18494), (1321, 15134), (2162, 9247), (2642, 7567)]