18958004

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{1889}}^1$

素因数の和:2099

約数の個数: 24

約数和(自身を含む): 35932680

約数和(自身を除く): 16974676

約数列:

[1, 2, 4, 13, 26, 52, 193, 386, 772, 1889, 2509, 3778, 5018, 7556, 10036, 24557, 49114, 98228, 364577, 729154, 1458308, 4739501, 9479002, 18958004]

約数ペア:

[(1, 18958004), (2, 9479002), (4, 4739501), (13, 1458308), (26, 729154), (52, 364577), (193, 98228), (386, 49114), (772, 24557), (1889, 10036), (2509, 7556), (3778, 5018)]