19291856

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:363

約数の個数: 40

約数和(自身を含む): 38539200

約数和(自身を除く): 19247344

約数列:

[1, 2, 4, 8, 16, 73, 83, 146, 166, 199, 292, 332, 398, 584, 664, 796, 1168, 1328, 1592, 3184, 6059, 12118, 14527, 16517, 24236, 29054, 33034, 48472, 58108, 66068, 96944, 116216, 132136, 232432, 264272, 1205741, 2411482, 4822964, 9645928, 19291856]

約数ペア:

[(1, 19291856), (2, 9645928), (4, 4822964), (8, 2411482), (16, 1205741), (73, 264272), (83, 232432), (146, 132136), (166, 116216), (199, 96944), (292, 66068), (332, 58108), (398, 48472), (584, 33034), (664, 29054), (796, 24236), (1168, 16517), (1328, 14527), (1592, 12118), (3184, 6059)]