19988502

素因数分解:

$2^1\times 3^1\times {\mathrm{557}}^1\times {\mathrm{5981}}^1$

素因数の和:6543

約数の個数: 16

約数和(自身を含む): 40055472

約数和(自身を除く): 20066970

約数列:

[1, 2, 3, 6, 557, 1114, 1671, 3342, 5981, 11962, 17943, 35886, 3331417, 6662834, 9994251, 19988502]

約数ペア:

[(1, 19988502), (2, 9994251), (3, 6662834), (6, 3331417), (557, 35886), (1114, 17943), (1671, 11962), (3342, 5981)]