18779356

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:246

約数の個数: 48

約数和(自身を含む): 36741600

約数和(自身を除く): 17962244

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 89, 107, 116, 178, 214, 356, 428, 493, 986, 1513, 1819, 1972, 2581, 3026, 3103, 3638, 5162, 6052, 6206, 7276, 9523, 10324, 12412, 19046, 38092, 43877, 52751, 87754, 105502, 161891, 175508, 211004, 276167, 323782, 552334, 647564, 1104668, 4694839, 9389678, 18779356]

約数ペア:

[(1, 18779356), (2, 9389678), (4, 4694839), (17, 1104668), (29, 647564), (34, 552334), (58, 323782), (68, 276167), (89, 211004), (107, 175508), (116, 161891), (178, 105502), (214, 87754), (356, 52751), (428, 43877), (493, 38092), (986, 19046), (1513, 12412), (1819, 10324), (1972, 9523), (2581, 7276), (3026, 6206), (3103, 6052), (3638, 5162)]