18820312

素因数分解:

$2^3\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1171}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 42086520

約数和(自身を除く): 23266208

約数列:

[1, 2, 4, 7, 8, 14, 28, 41, 49, 56, 82, 98, 164, 196, 287, 328, 392, 574, 1148, 1171, 2009, 2296, 2342, 4018, 4684, 8036, 8197, 9368, 16072, 16394, 32788, 48011, 57379, 65576, 96022, 114758, 192044, 229516, 336077, 384088, 459032, 672154, 1344308, 2352539, 2688616, 4705078, 9410156, 18820312]

約数ペア:

[(1, 18820312), (2, 9410156), (4, 4705078), (7, 2688616), (8, 2352539), (14, 1344308), (28, 672154), (41, 459032), (49, 384088), (56, 336077), (82, 229516), (98, 192044), (164, 114758), (196, 96022), (287, 65576), (328, 57379), (392, 48011), (574, 32788), (1148, 16394), (1171, 16072), (2009, 9368), (2296, 8197), (2342, 8036), (4018, 4684)]