18921346

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{5003}}^1$

素因数の和:5097

約数の個数: 16

約数和(自身を含む): 29783808

約数和(自身を除く): 10862462

約数列:

[1, 2, 31, 61, 62, 122, 1891, 3782, 5003, 10006, 155093, 305183, 310186, 610366, 9460673, 18921346]

約数ペア:

[(1, 18921346), (2, 9460673), (31, 610366), (61, 310186), (62, 305183), (122, 155093), (1891, 10006), (3782, 5003)]