19976656

素因数分解:

$2^4\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1219

約数の個数: 40

約数和(自身を含む): 44532864

約数和(自身を除く): 24556208

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173, 346, 692, 1031, 1211, 1384, 2062, 2422, 2768, 4124, 4844, 7217, 8248, 9688, 14434, 16496, 19376, 28868, 57736, 115472, 178363, 356726, 713452, 1248541, 1426904, 2497082, 2853808, 4994164, 9988328, 19976656]

約数ペア:

[(1, 19976656), (2, 9988328), (4, 4994164), (7, 2853808), (8, 2497082), (14, 1426904), (16, 1248541), (28, 713452), (56, 356726), (112, 178363), (173, 115472), (346, 57736), (692, 28868), (1031, 19376), (1211, 16496), (1384, 14434), (2062, 9688), (2422, 8248), (2768, 7217), (4124, 4844)]