19942489007

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{204679}}^1$

素因数の和:205166

約数の個数: 16

約数和(自身を含む): 23579136000

約数和(自身を除く): 3636646993

約数列:

[1, 7, 31, 217, 449, 3143, 13919, 97433, 204679, 1432753, 6345049, 44415343, 91900871, 643306097, 2848927001, 19942489007]

約数ペア:

[(1, 19942489007), (7, 2848927001), (31, 643306097), (217, 91900871), (449, 44415343), (3143, 6345049), (13919, 1432753), (97433, 204679)]