18754614

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:629

約数の個数: 48

約数和(自身を含む): 42962400

約数和(自身を除く): 24207786

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 89, 138, 178, 207, 267, 414, 509, 534, 801, 1018, 1527, 1602, 2047, 3054, 4094, 4581, 6141, 9162, 11707, 12282, 18423, 23414, 35121, 36846, 45301, 70242, 90602, 105363, 135903, 210726, 271806, 407709, 815418, 1041923, 2083846, 3125769, 6251538, 9377307, 18754614]

約数ペア:

[(1, 18754614), (2, 9377307), (3, 6251538), (6, 3125769), (9, 2083846), (18, 1041923), (23, 815418), (46, 407709), (69, 271806), (89, 210726), (138, 135903), (178, 105363), (207, 90602), (267, 70242), (414, 45301), (509, 36846), (534, 35121), (801, 23414), (1018, 18423), (1527, 12282), (1602, 11707), (2047, 9162), (3054, 6141), (4094, 4581)]