19938256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95857}}^1$

素因数の和:95878

約数の個数: 20

約数和(自身を含む): 41602372

約数和(自身を除く): 21664116

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95857, 191714, 383428, 766856, 1246141, 1533712, 2492282, 4984564, 9969128, 19938256]

約数ペア:

[(1, 19938256), (2, 9969128), (4, 4984564), (8, 2492282), (13, 1533712), (16, 1246141), (26, 766856), (52, 383428), (104, 191714), (208, 95857)]