18804843

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{149}}^1\times {\mathrm{379}}^1$

素因数の和:571

約数の個数: 24

約数和(自身を含む): 28158000

約数和(自身を除く): 9353157

約数列:

[1, 3, 9, 37, 111, 149, 333, 379, 447, 1137, 1341, 3411, 5513, 14023, 16539, 42069, 49617, 56471, 126207, 169413, 508239, 2089427, 6268281, 18804843]

約数ペア:

[(1, 18804843), (3, 6268281), (9, 2089427), (37, 508239), (111, 169413), (149, 126207), (333, 56471), (379, 49617), (447, 42069), (1137, 16539), (1341, 14023), (3411, 5513)]