19866279

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{293}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 26968032

約数和(自身を除く): 7101753

約数列:

[1, 3, 97, 233, 291, 293, 699, 879, 22601, 28421, 67803, 68269, 85263, 204807, 6622093, 19866279]

約数ペア:

[(1, 19866279), (3, 6622093), (97, 204807), (233, 85263), (291, 68269), (293, 67803), (699, 28421), (879, 22601)]