18818912

素因数分解:

$2^5\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2897}}^1$

素因数の和:2943

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 24998848

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 112, 116, 203, 224, 232, 406, 464, 812, 928, 1624, 2897, 3248, 5794, 6496, 11588, 20279, 23176, 40558, 46352, 81116, 84013, 92704, 162232, 168026, 324464, 336052, 588091, 648928, 672104, 1176182, 1344208, 2352364, 2688416, 4704728, 9409456, 18818912]

約数ペア:

[(1, 18818912), (2, 9409456), (4, 4704728), (7, 2688416), (8, 2352364), (14, 1344208), (16, 1176182), (28, 672104), (29, 648928), (32, 588091), (56, 336052), (58, 324464), (112, 168026), (116, 162232), (203, 92704), (224, 84013), (232, 81116), (406, 46352), (464, 40558), (812, 23176), (928, 20279), (1624, 11588), (2897, 6496), (3248, 5794)]