19948647

素因数分解:

$3^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1627}}^1$

素因数の和:1758

約数の個数: 16

約数和(自身を含む): 27454592

約数和(自身を除く): 7505945

約数列:

[1, 3, 61, 67, 183, 201, 1627, 4087, 4881, 12261, 99247, 109009, 297741, 327027, 6649549, 19948647]

約数ペア:

[(1, 19948647), (3, 6649549), (61, 327027), (67, 297741), (183, 109009), (201, 99247), (1627, 12261), (4087, 4881)]