18927724

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{919}}^1$

素因数の和:1213

約数の個数: 24

約数和(自身を含む): 35033600

約数和(自身を除く): 16105876

約数列:

[1, 2, 4, 19, 38, 76, 271, 542, 919, 1084, 1838, 3676, 5149, 10298, 17461, 20596, 34922, 69844, 249049, 498098, 996196, 4731931, 9463862, 18927724]

約数ペア:

[(1, 18927724), (2, 9463862), (4, 4731931), (19, 996196), (38, 498098), (76, 249049), (271, 69844), (542, 34922), (919, 20596), (1084, 17461), (1838, 10298), (3676, 5149)]