18802947

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{673}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 25665920

約数和(自身を除く): 6862973

約数列:

[1, 3, 67, 139, 201, 417, 673, 2019, 9313, 27939, 45091, 93547, 135273, 280641, 6267649, 18802947]

約数ペア:

[(1, 18802947), (3, 6267649), (67, 280641), (139, 135273), (201, 93547), (417, 45091), (673, 27939), (2019, 9313)]