18176509

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:157

約数の個数: 32

約数和(自身を含む): 22063104

約数和(自身を除く): 3886595

約数列:

[1, 13, 23, 31, 37, 53, 299, 403, 481, 689, 713, 851, 1147, 1219, 1643, 1961, 9269, 11063, 14911, 15847, 21359, 25493, 26381, 37789, 45103, 60791, 342953, 491257, 586339, 790283, 1398193, 18176509]

約数ペア:

[(1, 18176509), (13, 1398193), (23, 790283), (31, 586339), (37, 491257), (53, 342953), (299, 60791), (403, 45103), (481, 37789), (689, 26381), (713, 25493), (851, 21359), (1147, 15847), (1219, 14911), (1643, 11063), (1961, 9269)]