19493799

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{5153}}^1$

素因数の和:5266

約数の個数: 16

約数和(自身を含む): 28285152

約数和(自身を除く): 8791353

約数列:

[1, 3, 13, 39, 97, 291, 1261, 3783, 5153, 15459, 66989, 200967, 499841, 1499523, 6497933, 19493799]

約数ペア:

[(1, 19493799), (3, 6497933), (13, 1499523), (39, 499841), (97, 200967), (291, 66989), (1261, 15459), (3783, 5153)]