18420236

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 32944800

約数和(自身を除く): 14524564

約数列:

[1, 2, 4, 73, 146, 199, 292, 317, 398, 634, 796, 1268, 14527, 23141, 29054, 46282, 58108, 63083, 92564, 126166, 252332, 4605059, 9210118, 18420236]

約数ペア:

[(1, 18420236), (2, 9210118), (4, 4605059), (73, 252332), (146, 126166), (199, 92564), (292, 63083), (317, 58108), (398, 46282), (634, 29054), (796, 23141), (1268, 14527)]