19558228

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4051}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 36759744

約数和(自身を除く): 17201516

約数列:

[1, 2, 4, 17, 34, 68, 71, 142, 284, 1207, 2414, 4051, 4828, 8102, 16204, 68867, 137734, 275468, 287621, 575242, 1150484, 4889557, 9779114, 19558228]

約数ペア:

[(1, 19558228), (2, 9779114), (4, 4889557), (17, 1150484), (34, 575242), (68, 287621), (71, 275468), (142, 137734), (284, 68867), (1207, 16204), (2414, 8102), (4051, 4828)]