18665985

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{95723}}^1$

素因数の和:95744

約数の個数: 16

約数和(自身を含む): 32163264

約数和(自身を除く): 13497279

約数列:

[1, 3, 5, 13, 15, 39, 65, 195, 95723, 287169, 478615, 1244399, 1435845, 3733197, 6221995, 18665985]

約数ペア:

[(1, 18665985), (3, 6221995), (5, 3733197), (13, 1435845), (15, 1244399), (39, 478615), (65, 287169), (195, 95723)]