28399376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{93419}}^1$

素因数の和:93446

約数の個数: 20

約数和(自身を含む): 57920400

約数和(自身を除く): 29521024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 93419, 186838, 373676, 747352, 1494704, 1774961, 3549922, 7099844, 14199688, 28399376]

約数ペア:

[(1, 28399376), (2, 14199688), (4, 7099844), (8, 3549922), (16, 1774961), (19, 1494704), (38, 747352), (76, 373676), (152, 186838), (304, 93419)]