18311748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:477

約数の個数: 96

約数和(自身を含む): 54001920

約数和(自身を除く): 35690172

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 41, 42, 52, 78, 82, 84, 91, 123, 156, 164, 182, 246, 273, 287, 364, 409, 492, 533, 546, 574, 818, 861, 1066, 1092, 1148, 1227, 1599, 1636, 1722, 2132, 2454, 2863, 3198, 3444, 3731, 4908, 5317, 5726, 6396, 7462, 8589, 10634, 11193, 11452, 14924, 15951, 16769, 17178, 21268, 22386, 31902, 33538, 34356, 37219, 44772, 50307, 63804, 67076, 74438, 100614, 111657, 117383, 148876, 201228, 217997, 223314, 234766, 352149, 435994, 446628, 469532, 653991, 704298, 871988, 1307982, 1408596, 1525979, 2615964, 3051958, 4577937, 6103916, 9155874, 18311748]

約数ペア:

[(1, 18311748), (2, 9155874), (3, 6103916), (4, 4577937), (6, 3051958), (7, 2615964), (12, 1525979), (13, 1408596), (14, 1307982), (21, 871988), (26, 704298), (28, 653991), (39, 469532), (41, 446628), (42, 435994), (52, 352149), (78, 234766), (82, 223314), (84, 217997), (91, 201228), (123, 148876), (156, 117383), (164, 111657), (182, 100614), (246, 74438), (273, 67076), (287, 63804), (364, 50307), (409, 44772), (492, 37219), (533, 34356), (546, 33538), (574, 31902), (818, 22386), (861, 21268), (1066, 17178), (1092, 16769), (1148, 15951), (1227, 14924), (1599, 11452), (1636, 11193), (1722, 10634), (2132, 8589), (2454, 7462), (2863, 6396), (3198, 5726), (3444, 5317), (3731, 4908)]