19117538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{5023}}^1$

素因数の和:5209

約数の個数: 16

約数和(自身を含む): 31470336

約数和(自身を除く): 12352798

約数列:

[1, 2, 11, 22, 173, 346, 1903, 3806, 5023, 10046, 55253, 110506, 868979, 1737958, 9558769, 19117538]

約数ペア:

[(1, 19117538), (2, 9558769), (11, 1737958), (22, 868979), (173, 110506), (346, 55253), (1903, 10046), (3806, 5023)]