19877710

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{42293}}^1$

素因数の和:42347

約数の個数: 16

約数和(自身を含む): 36542016

約数和(自身を除く): 16664306

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 42293, 84586, 211465, 422930, 1987771, 3975542, 9938855, 19877710]

約数ペア:

[(1, 19877710), (2, 9938855), (5, 3975542), (10, 1987771), (47, 422930), (94, 211465), (235, 84586), (470, 42293)]