18902619

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{499}}^1$

素因数の和:592

約数の個数: 32

約数和(自身を含む): 29760000

約数和(自身を除く): 10857381

約数列:

[1, 3, 9, 23, 27, 61, 69, 183, 207, 499, 549, 621, 1403, 1497, 1647, 4209, 4491, 11477, 12627, 13473, 30439, 34431, 37881, 91317, 103293, 273951, 309879, 700097, 821853, 2100291, 6300873, 18902619]

約数ペア:

[(1, 18902619), (3, 6300873), (9, 2100291), (23, 821853), (27, 700097), (61, 309879), (69, 273951), (183, 103293), (207, 91317), (499, 37881), (549, 34431), (621, 30439), (1403, 13473), (1497, 12627), (1647, 11477), (4209, 4491)]