18237816

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{577}}^1$

素因数の和:1028

約数の個数: 48

約数和(自身を含む): 49592400

約数和(自身を除く): 31354584

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 577, 878, 1154, 1317, 1731, 1756, 2308, 2634, 3462, 3512, 3951, 4616, 5193, 5268, 6924, 7902, 10386, 10536, 13848, 15804, 20772, 31608, 41544, 253303, 506606, 759909, 1013212, 1519818, 2026424, 2279727, 3039636, 4559454, 6079272, 9118908, 18237816]

約数ペア:

[(1, 18237816), (2, 9118908), (3, 6079272), (4, 4559454), (6, 3039636), (8, 2279727), (9, 2026424), (12, 1519818), (18, 1013212), (24, 759909), (36, 506606), (72, 253303), (439, 41544), (577, 31608), (878, 20772), (1154, 15804), (1317, 13848), (1731, 10536), (1756, 10386), (2308, 7902), (2634, 6924), (3462, 5268), (3512, 5193), (3951, 4616)]