18906576

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:804

約数の個数: 80

約数和(自身を含む): 53954880

約数和(自身を除く): 35048304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 104, 123, 156, 164, 208, 246, 312, 328, 492, 533, 624, 656, 739, 984, 1066, 1478, 1599, 1968, 2132, 2217, 2956, 3198, 4264, 4434, 5912, 6396, 8528, 8868, 9607, 11824, 12792, 17736, 19214, 25584, 28821, 30299, 35472, 38428, 57642, 60598, 76856, 90897, 115284, 121196, 153712, 181794, 230568, 242392, 363588, 393887, 461136, 484784, 727176, 787774, 1181661, 1454352, 1575548, 2363322, 3151096, 4726644, 6302192, 9453288, 18906576]

約数ペア:

[(1, 18906576), (2, 9453288), (3, 6302192), (4, 4726644), (6, 3151096), (8, 2363322), (12, 1575548), (13, 1454352), (16, 1181661), (24, 787774), (26, 727176), (39, 484784), (41, 461136), (48, 393887), (52, 363588), (78, 242392), (82, 230568), (104, 181794), (123, 153712), (156, 121196), (164, 115284), (208, 90897), (246, 76856), (312, 60598), (328, 57642), (492, 38428), (533, 35472), (624, 30299), (656, 28821), (739, 25584), (984, 19214), (1066, 17736), (1478, 12792), (1599, 11824), (1968, 9607), (2132, 8868), (2217, 8528), (2956, 6396), (3198, 5912), (4264, 4434)]