19123069

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{353}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 22429440

約数和(自身を除く): 3306371

約数列:

[1, 7, 71, 109, 353, 497, 763, 2471, 7739, 25063, 38477, 54173, 175441, 269339, 2731867, 19123069]

約数ペア:

[(1, 19123069), (7, 2731867), (71, 269339), (109, 175441), (353, 54173), (497, 38477), (763, 25063), (2471, 7739)]