18628428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2437}}^1$

素因数の和:2471

約数の個数: 72

約数和(自身を含む): 54474672

約数和(自身を除く): 35846244

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 49, 52, 78, 84, 91, 98, 147, 156, 182, 196, 273, 294, 364, 546, 588, 637, 1092, 1274, 1911, 2437, 2548, 3822, 4874, 7311, 7644, 9748, 14622, 17059, 29244, 31681, 34118, 51177, 63362, 68236, 95043, 102354, 119413, 126724, 190086, 204708, 221767, 238826, 358239, 380172, 443534, 477652, 665301, 716478, 887068, 1330602, 1432956, 1552369, 2661204, 3104738, 4657107, 6209476, 9314214, 18628428]

約数ペア:

[(1, 18628428), (2, 9314214), (3, 6209476), (4, 4657107), (6, 3104738), (7, 2661204), (12, 1552369), (13, 1432956), (14, 1330602), (21, 887068), (26, 716478), (28, 665301), (39, 477652), (42, 443534), (49, 380172), (52, 358239), (78, 238826), (84, 221767), (91, 204708), (98, 190086), (147, 126724), (156, 119413), (182, 102354), (196, 95043), (273, 68236), (294, 63362), (364, 51177), (546, 34118), (588, 31681), (637, 29244), (1092, 17059), (1274, 14622), (1911, 9748), (2437, 7644), (2548, 7311), (3822, 4874)]