18618385

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8521}}^1$

素因数の和:8568

約数の個数: 16

約数和(自身を含む): 24543360

約数和(自身を除く): 5924975

約数列:

[1, 5, 19, 23, 95, 115, 437, 2185, 8521, 42605, 161899, 195983, 809495, 979915, 3723677, 18618385]

約数ペア:

[(1, 18618385), (5, 3723677), (19, 979915), (23, 809495), (95, 195983), (115, 161899), (437, 42605), (2185, 8521)]