18664845

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54101}}^1$

素因数の和:54132

約数の個数: 16

約数和(自身を含む): 31162752

約数和(自身を除く): 12497907

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54101, 162303, 270505, 811515, 1244323, 3732969, 6221615, 18664845]

約数ペア:

[(1, 18664845), (3, 6221615), (5, 3732969), (15, 1244323), (23, 811515), (69, 270505), (115, 162303), (345, 54101)]