18538299

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^2$

素因数の和:208

約数の個数: 36

約数和(自身を含む): 30458064

約数和(自身を除く): 11919765

約数列:

[1, 3, 9, 13, 23, 39, 69, 83, 117, 207, 249, 299, 747, 897, 1079, 1909, 2691, 3237, 5727, 6889, 9711, 17181, 20667, 24817, 62001, 74451, 89557, 158447, 223353, 268671, 475341, 806013, 1426023, 2059811, 6179433, 18538299]

約数ペア:

[(1, 18538299), (3, 6179433), (9, 2059811), (13, 1426023), (23, 806013), (39, 475341), (69, 268671), (83, 223353), (117, 158447), (207, 89557), (249, 74451), (299, 62001), (747, 24817), (897, 20667), (1079, 17181), (1909, 9711), (2691, 6889), (3237, 5727)]