19968770

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46439}}^1$

素因数の和:46489

約数の個数: 16

約数和(自身を含む): 36780480

約数和(自身を除く): 16811710

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46439, 92878, 232195, 464390, 1996877, 3993754, 9984385, 19968770]

約数ペア:

[(1, 19968770), (2, 9984385), (5, 3993754), (10, 1996877), (43, 464390), (86, 232195), (215, 92878), (430, 46439)]