18637192

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 41771520

約数和(自身を除く): 23134328

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 73, 94, 97, 146, 188, 194, 292, 329, 376, 388, 511, 584, 658, 679, 776, 1022, 1316, 1358, 2044, 2632, 2716, 3431, 4088, 4559, 5432, 6862, 7081, 9118, 13724, 14162, 18236, 24017, 27448, 28324, 31913, 36472, 48034, 49567, 56648, 63826, 96068, 99134, 127652, 192136, 198268, 255304, 332807, 396536, 665614, 1331228, 2329649, 2662456, 4659298, 9318596, 18637192]

約数ペア:

[(1, 18637192), (2, 9318596), (4, 4659298), (7, 2662456), (8, 2329649), (14, 1331228), (28, 665614), (47, 396536), (56, 332807), (73, 255304), (94, 198268), (97, 192136), (146, 127652), (188, 99134), (194, 96068), (292, 63826), (329, 56648), (376, 49567), (388, 48034), (511, 36472), (584, 31913), (658, 28324), (679, 27448), (776, 24017), (1022, 18236), (1316, 14162), (1358, 13724), (2044, 9118), (2632, 7081), (2716, 6862), (3431, 5432), (4088, 4559)]