19319817

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{1907}}^1$

素因数の和:2228

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 8888055

約数列:

[1, 3, 11, 33, 307, 921, 1907, 3377, 5721, 10131, 20977, 62931, 585449, 1756347, 6439939, 19319817]

約数ペア:

[(1, 19319817), (3, 6439939), (11, 1756347), (33, 585449), (307, 62931), (921, 20977), (1907, 10131), (3377, 5721)]