18556749

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 32

約数和(自身を含む): 29462400

約数和(自身を除く): 10905651

約数列:

[1, 3, 9, 19, 27, 57, 61, 171, 183, 513, 549, 593, 1159, 1647, 1779, 3477, 5337, 10431, 11267, 16011, 31293, 33801, 36173, 101403, 108519, 304209, 325557, 687287, 976671, 2061861, 6185583, 18556749]

約数ペア:

[(1, 18556749), (3, 6185583), (9, 2061861), (19, 976671), (27, 687287), (57, 325557), (61, 304209), (171, 108519), (183, 101403), (513, 36173), (549, 33801), (593, 31293), (1159, 16011), (1647, 11267), (1779, 10431), (3477, 5337)]