18350826

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:287

約数の個数: 64

約数和(自身を含む): 42239232

約数和(自身を除く): 23888406

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 53, 69, 78, 106, 138, 159, 193, 299, 318, 386, 579, 598, 689, 897, 1158, 1219, 1378, 1794, 2067, 2438, 2509, 3657, 4134, 4439, 5018, 7314, 7527, 8878, 10229, 13317, 15054, 15847, 20458, 26634, 30687, 31694, 47541, 57707, 61374, 95082, 115414, 132977, 173121, 235267, 265954, 346242, 398931, 470534, 705801, 797862, 1411602, 3058471, 6116942, 9175413, 18350826]

約数ペア:

[(1, 18350826), (2, 9175413), (3, 6116942), (6, 3058471), (13, 1411602), (23, 797862), (26, 705801), (39, 470534), (46, 398931), (53, 346242), (69, 265954), (78, 235267), (106, 173121), (138, 132977), (159, 115414), (193, 95082), (299, 61374), (318, 57707), (386, 47541), (579, 31694), (598, 30687), (689, 26634), (897, 20458), (1158, 15847), (1219, 15054), (1378, 13317), (1794, 10229), (2067, 8878), (2438, 7527), (2509, 7314), (3657, 5018), (4134, 4439)]