18038811

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^2\times {\mathrm{73}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 29070456

約数和(自身を除く): 11031645

約数列:

[1, 3, 7, 21, 41, 49, 73, 123, 147, 219, 287, 511, 861, 1533, 1681, 2009, 2993, 3577, 5043, 6027, 8979, 10731, 11767, 20951, 35301, 62853, 82369, 122713, 146657, 247107, 368139, 439971, 858991, 2576973, 6012937, 18038811]

約数ペア:

[(1, 18038811), (3, 6012937), (7, 2576973), (21, 858991), (41, 439971), (49, 368139), (73, 247107), (123, 146657), (147, 122713), (219, 82369), (287, 62853), (511, 35301), (861, 20951), (1533, 11767), (1681, 10731), (2009, 8979), (2993, 6027), (3577, 5043)]