219325816

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{20323}}^1$

素因数の和:20419

約数の個数: 32

約数和(自身を含む): 438998400

約数和(自身を除く): 219672584

約数列:

[1, 2, 4, 8, 19, 38, 71, 76, 142, 152, 284, 568, 1349, 2698, 5396, 10792, 20323, 40646, 81292, 162584, 386137, 772274, 1442933, 1544548, 2885866, 3089096, 5771732, 11543464, 27415727, 54831454, 109662908, 219325816]

約数ペア:

[(1, 219325816), (2, 109662908), (4, 54831454), (8, 27415727), (19, 11543464), (38, 5771732), (71, 3089096), (76, 2885866), (142, 1544548), (152, 1442933), (284, 772274), (568, 386137), (1349, 162584), (2698, 81292), (5396, 40646), (10792, 20323)]