18806872

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2011}}^1$

素因数の和:2191

約数の個数: 32

約数和(自身を含む): 40561920

約数和(自身を除く): 21755048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2011, 2338, 4022, 4676, 8044, 9352, 14077, 16088, 28154, 56308, 112616, 335837, 671674, 1343348, 2350859, 2686696, 4701718, 9403436, 18806872]

約数ペア:

[(1, 18806872), (2, 9403436), (4, 4701718), (7, 2686696), (8, 2350859), (14, 1343348), (28, 671674), (56, 335837), (167, 112616), (334, 56308), (668, 28154), (1169, 16088), (1336, 14077), (2011, 9352), (2338, 8044), (4022, 4676)]