19765744

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{8291}}^1$

素因数の和:8448

約数の個数: 20

約数和(自身を含む): 38557800

約数和(自身を除く): 18792056

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 8291, 16582, 33164, 66328, 132656, 1235359, 2470718, 4941436, 9882872, 19765744]

約数ペア:

[(1, 19765744), (2, 9882872), (4, 4941436), (8, 2470718), (16, 1235359), (149, 132656), (298, 66328), (596, 33164), (1192, 16582), (2384, 8291)]