199921534

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4219}}^1$

素因数の和:4312

約数の個数: 32

約数和(自身を含む): 334224000

約数和(自身を除く): 134302466

約数列:

[1, 2, 19, 29, 38, 43, 58, 86, 551, 817, 1102, 1247, 1634, 2494, 4219, 8438, 23693, 47386, 80161, 122351, 160322, 181417, 244702, 362834, 2324669, 3446923, 4649338, 5261093, 6893846, 10522186, 99960767, 199921534]

約数ペア:

[(1, 199921534), (2, 99960767), (19, 10522186), (29, 6893846), (38, 5261093), (43, 4649338), (58, 3446923), (86, 2324669), (551, 362834), (817, 244702), (1102, 181417), (1247, 160322), (1634, 122351), (2494, 80161), (4219, 47386), (8438, 23693)]