18963081

素因数分解:

$3^2\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 28080000

約数和(自身を除く): 9116919

約数列:

[1, 3, 9, 79, 149, 179, 237, 447, 537, 711, 1341, 1611, 11771, 14141, 26671, 35313, 42423, 80013, 105939, 127269, 240039, 2107009, 6321027, 18963081]

約数ペア:

[(1, 18963081), (3, 6321027), (9, 2107009), (79, 240039), (149, 127269), (179, 105939), (237, 80013), (447, 42423), (537, 35313), (711, 26671), (1341, 14141), (1611, 11771)]