11811995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7901}}^1$

素因数の和:7942

約数の個数: 16

約数和(自身を含む): 15930432

約数和(自身を除く): 4118437

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 7901, 39505, 102713, 181723, 513565, 908615, 2362399, 11811995]

約数ペア:

[(1, 11811995), (5, 2362399), (13, 908615), (23, 513565), (65, 181723), (115, 102713), (299, 39505), (1495, 7901)]