18943953

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4723}}^1$

素因数の和:4924

約数の個数: 16

約数和(自身を含む): 29024256

約数和(自身を除く): 10080303

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4723, 14169, 33061, 99183, 902093, 2706279, 6314651, 18943953]

約数ペア:

[(1, 18943953), (3, 6314651), (7, 2706279), (21, 902093), (191, 99183), (573, 33061), (1337, 14169), (4011, 4723)]