19019338

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{10303}}^1$

素因数の和:10389

約数の個数: 16

約数和(自身を含む): 31159296

約数和(自身を除く): 12139958

約数列:

[1, 2, 13, 26, 71, 142, 923, 1846, 10303, 20606, 133939, 267878, 731513, 1463026, 9509669, 19019338]

約数ペア:

[(1, 19019338), (2, 9509669), (13, 1463026), (26, 731513), (71, 267878), (142, 133939), (923, 20606), (1846, 10303)]