18532241

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 23748480

約数和(自身を除く): 5216239

約数列:

[1, 7, 13, 47, 49, 91, 329, 611, 619, 637, 2303, 4277, 4333, 8047, 29093, 29939, 30331, 56329, 203651, 378209, 394303, 1425557, 2647463, 18532241]

約数ペア:

[(1, 18532241), (7, 2647463), (13, 1425557), (47, 394303), (49, 378209), (91, 203651), (329, 56329), (611, 30331), (619, 29939), (637, 29093), (2303, 8047), (4277, 4333)]