19853787

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1013}}^1$

素因数の和:1202

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 7402533

約数列:

[1, 3, 47, 139, 141, 417, 1013, 3039, 6533, 19599, 47611, 140807, 142833, 422421, 6617929, 19853787]

約数ペア:

[(1, 19853787), (3, 6617929), (47, 422421), (139, 142833), (141, 140807), (417, 47611), (1013, 19599), (3039, 6533)]