18040807659

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{2711}}^1$

素因数の和:2952

約数の個数: 64

約数和(自身を含む): 28867829760

約数和(自身を除く): 10827022101

約数列:

[1, 3, 7, 21, 41, 59, 123, 131, 177, 287, 393, 413, 861, 917, 1239, 2419, 2711, 2751, 5371, 7257, 7729, 8133, 16113, 16933, 18977, 23187, 37597, 50799, 54103, 56931, 111151, 112791, 159949, 162309, 316889, 333453, 355141, 479847, 778057, 950667, 1065423, 1119643, 2218223, 2334171, 2485987, 3358929, 6557909, 6654669, 7457961, 14560781, 19673727, 20953319, 43682343, 45905363, 62859957, 101925467, 137716089, 146673233, 305776401, 440019699, 859086079, 2577258237, 6013602553, 18040807659]

約数ペア:

[(1, 18040807659), (3, 6013602553), (7, 2577258237), (21, 859086079), (41, 440019699), (59, 305776401), (123, 146673233), (131, 137716089), (177, 101925467), (287, 62859957), (393, 45905363), (413, 43682343), (861, 20953319), (917, 19673727), (1239, 14560781), (2419, 7457961), (2711, 6654669), (2751, 6557909), (5371, 3358929), (7257, 2485987), (7729, 2334171), (8133, 2218223), (16113, 1119643), (16933, 1065423), (18977, 950667), (23187, 778057), (37597, 479847), (50799, 355141), (54103, 333453), (56931, 316889), (111151, 162309), (112791, 159949)]