19773537

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40939}}^1$

素因数の和:40972

約数の個数: 16

約数和(自身を含む): 31441920

約数和(自身を除く): 11668383

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 40939, 122817, 286573, 859719, 941597, 2824791, 6591179, 19773537]

約数ペア:

[(1, 19773537), (3, 6591179), (7, 2824791), (21, 941597), (23, 859719), (69, 286573), (161, 122817), (483, 40939)]