18805145

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9619}}^1$

素因数の和:9664

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 6129895

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 9619, 48095, 163523, 221237, 817615, 1106185, 3761029, 18805145]

約数ペア:

[(1, 18805145), (5, 3761029), (17, 1106185), (23, 817615), (85, 221237), (115, 163523), (391, 48095), (1955, 9619)]