18782205

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1579}}^1$

素因数の和:1661

約数の個数: 32

約数和(自身を含む): 32914560

約数和(自身を除く): 14132355

約数列:

[1, 3, 5, 13, 15, 39, 61, 65, 183, 195, 305, 793, 915, 1579, 2379, 3965, 4737, 7895, 11895, 20527, 23685, 61581, 96319, 102635, 288957, 307905, 481595, 1252147, 1444785, 3756441, 6260735, 18782205]

約数ペア:

[(1, 18782205), (3, 6260735), (5, 3756441), (13, 1444785), (15, 1252147), (39, 481595), (61, 307905), (65, 288957), (183, 102635), (195, 96319), (305, 61581), (793, 23685), (915, 20527), (1579, 11895), (2379, 7895), (3965, 4737)]