18474183

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 34478080

約数和(自身を除く): 16003897

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 73, 91, 103, 117, 189, 219, 273, 309, 351, 511, 657, 721, 819, 927, 949, 1339, 1533, 1971, 2163, 2457, 2781, 2847, 4017, 4599, 6489, 6643, 7519, 8541, 9373, 12051, 13797, 19467, 19929, 22557, 25623, 28119, 36153, 52633, 59787, 67671, 84357, 97747, 157899, 179361, 203013, 253071, 293241, 473697, 684229, 879723, 1421091, 2052687, 2639169, 6158061, 18474183]

約数ペア:

[(1, 18474183), (3, 6158061), (7, 2639169), (9, 2052687), (13, 1421091), (21, 879723), (27, 684229), (39, 473697), (63, 293241), (73, 253071), (91, 203013), (103, 179361), (117, 157899), (189, 97747), (219, 84357), (273, 67671), (309, 59787), (351, 52633), (511, 36153), (657, 28119), (721, 25623), (819, 22557), (927, 19929), (949, 19467), (1339, 13797), (1533, 12051), (1971, 9373), (2163, 8541), (2457, 7519), (2781, 6643), (2847, 6489), (4017, 4599)]