19798966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{6569}}^1$

素因数の和:6719

約数の個数: 16

約数和(自身を含む): 32639760

約数和(自身を除く): 12840794

約数列:

[1, 2, 11, 22, 137, 274, 1507, 3014, 6569, 13138, 72259, 144518, 899953, 1799906, 9899483, 19798966]

約数ペア:

[(1, 19798966), (2, 9899483), (11, 1799906), (22, 899953), (137, 144518), (274, 72259), (1507, 13138), (3014, 6569)]