19301872

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{63493}}^1$

素因数の和:63520

約数の個数: 20

約数和(自身を含む): 39366280

約数和(自身を除く): 20064408

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 63493, 126986, 253972, 507944, 1015888, 1206367, 2412734, 4825468, 9650936, 19301872]

約数ペア:

[(1, 19301872), (2, 9650936), (4, 4825468), (8, 2412734), (16, 1206367), (19, 1015888), (38, 507944), (76, 253972), (152, 126986), (304, 63493)]