19882095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{77969}}^1$

素因数の和:77994

約数の個数: 16

約数和(自身を含む): 33683040

約数和(自身を除く): 13800945

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 77969, 233907, 389845, 1169535, 1325473, 3976419, 6627365, 19882095]

約数ペア:

[(1, 19882095), (3, 6627365), (5, 3976419), (15, 1325473), (17, 1169535), (51, 389845), (85, 233907), (255, 77969)]