18945831

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{379}}^1\times {\mathrm{877}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 26691200

約数和(自身を除く): 7745369

約数列:

[1, 3, 19, 57, 379, 877, 1137, 2631, 7201, 16663, 21603, 49989, 332383, 997149, 6315277, 18945831]

約数ペア:

[(1, 18945831), (3, 6315277), (19, 997149), (57, 332383), (379, 49989), (877, 21603), (1137, 16663), (2631, 7201)]