19916939

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{2393}}^1$

素因数の和:2470

約数の個数: 16

約数和(自身を含む): 24131520

約数和(自身を除く): 4214581

約数列:

[1, 7, 29, 41, 203, 287, 1189, 2393, 8323, 16751, 69397, 98113, 485779, 686791, 2845277, 19916939]

約数ペア:

[(1, 19916939), (7, 2845277), (29, 686791), (41, 485779), (203, 98113), (287, 69397), (1189, 16751), (2393, 8323)]