20183774

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 13685026

約数列:

[1, 2, 13, 26, 47, 83, 94, 166, 199, 398, 611, 1079, 1222, 2158, 2587, 3901, 5174, 7802, 9353, 16517, 18706, 33034, 50713, 101426, 121589, 214721, 243178, 429442, 776299, 1552598, 10091887, 20183774]

約数ペア:

[(1, 20183774), (2, 10091887), (13, 1552598), (26, 776299), (47, 429442), (83, 243178), (94, 214721), (166, 121589), (199, 101426), (398, 50713), (611, 33034), (1079, 18706), (1222, 16517), (2158, 9353), (2587, 7802), (3901, 5174)]