18170954

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:278

約数の個数: 32

約数和(自身を含む): 29937600

約数和(自身を除く): 11766646

約数列:

[1, 2, 19, 38, 41, 82, 107, 109, 214, 218, 779, 1558, 2033, 2071, 4066, 4142, 4387, 4469, 8774, 8938, 11663, 23326, 83353, 84911, 166706, 169822, 221597, 443194, 478183, 956366, 9085477, 18170954]

約数ペア:

[(1, 18170954), (2, 9085477), (19, 956366), (38, 478183), (41, 443194), (82, 221597), (107, 169822), (109, 166706), (214, 84911), (218, 83353), (779, 23326), (1558, 11663), (2033, 8938), (2071, 8774), (4066, 4469), (4142, 4387)]