19078717

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3877}}^1$

素因数の和:3940

約数の個数: 16

約数和(自身を含む): 23578240

約数和(自身を除く): 4499523

約数列:

[1, 7, 19, 37, 133, 259, 703, 3877, 4921, 27139, 73663, 143449, 515641, 1004143, 2725531, 19078717]

約数ペア:

[(1, 19078717), (7, 2725531), (19, 1004143), (37, 515641), (133, 143449), (259, 73663), (703, 27139), (3877, 4921)]