19418386

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43933}}^1$

素因数の和:43965

約数の個数: 16

約数和(自身を含む): 33214104

約数和(自身を除く): 13795718

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 43933, 87866, 571129, 746861, 1142258, 1493722, 9709193, 19418386]

約数ペア:

[(1, 19418386), (2, 9709193), (13, 1493722), (17, 1142258), (26, 746861), (34, 571129), (221, 87866), (442, 43933)]