19994292

素因数分解:

$2^2\times 3^2\times {\mathrm{373}}^1\times {\mathrm{1489}}^1$

素因数の和:1872

約数の個数: 36

約数和(自身を含む): 50710660

約数和(自身を除く): 30716368

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 373, 746, 1119, 1489, 1492, 2238, 2978, 3357, 4467, 4476, 5956, 6714, 8934, 13401, 13428, 17868, 26802, 53604, 555397, 1110794, 1666191, 2221588, 3332382, 4998573, 6664764, 9997146, 19994292]

約数ペア:

[(1, 19994292), (2, 9997146), (3, 6664764), (4, 4998573), (6, 3332382), (9, 2221588), (12, 1666191), (18, 1110794), (36, 555397), (373, 53604), (746, 26802), (1119, 17868), (1489, 13428), (1492, 13401), (2238, 8934), (2978, 6714), (3357, 5956), (4467, 4476)]