18139319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{379}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 20976000

約数和(自身を除く): 2836681

約数列:

[1, 11, 19, 209, 229, 379, 2519, 4169, 4351, 7201, 47861, 79211, 86791, 954701, 1649029, 18139319]

約数ペア:

[(1, 18139319), (11, 1649029), (19, 954701), (209, 86791), (229, 79211), (379, 47861), (2519, 7201), (4169, 4351)]