18657912

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8543}}^1$

素因数の和:8572

約数の個数: 64

約数和(自身を含む): 57415680

約数和(自身を除く): 38757768

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 104, 156, 168, 182, 273, 312, 364, 546, 728, 1092, 2184, 8543, 17086, 25629, 34172, 51258, 59801, 68344, 102516, 111059, 119602, 179403, 205032, 222118, 239204, 333177, 358806, 444236, 478408, 666354, 717612, 777413, 888472, 1332708, 1435224, 1554826, 2332239, 2665416, 3109652, 4664478, 6219304, 9328956, 18657912]

約数ペア:

[(1, 18657912), (2, 9328956), (3, 6219304), (4, 4664478), (6, 3109652), (7, 2665416), (8, 2332239), (12, 1554826), (13, 1435224), (14, 1332708), (21, 888472), (24, 777413), (26, 717612), (28, 666354), (39, 478408), (42, 444236), (52, 358806), (56, 333177), (78, 239204), (84, 222118), (91, 205032), (104, 179403), (156, 119602), (168, 111059), (182, 102516), (273, 68344), (312, 59801), (364, 51258), (546, 34172), (728, 25629), (1092, 17086), (2184, 8543)]