19868366

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61703}}^1$

素因数の和:61735

約数の個数: 16

約数和(自身を含む): 35541504

約数和(自身を除く): 15673138

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 61703, 123406, 431921, 863842, 1419169, 2838338, 9934183, 19868366]

約数ペア:

[(1, 19868366), (2, 9934183), (7, 2838338), (14, 1419169), (23, 863842), (46, 431921), (161, 123406), (322, 61703)]