18321368

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1559}}^1$

素因数の和:1691

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 19025032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1559, 2938, 3118, 5876, 6236, 11752, 12472, 20267, 40534, 81068, 162136, 176167, 352334, 704668, 1409336, 2290171, 4580342, 9160684, 18321368]

約数ペア:

[(1, 18321368), (2, 9160684), (4, 4580342), (8, 2290171), (13, 1409336), (26, 704668), (52, 352334), (104, 176167), (113, 162136), (226, 81068), (452, 40534), (904, 20267), (1469, 12472), (1559, 11752), (2938, 6236), (3118, 5876)]