19033580

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{8731}}^1$

素因数の和:8849

約数の個数: 24

約数和(自身を含む): 40341840

約数和(自身を除く): 21308260

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 8731, 17462, 34924, 43655, 87310, 174620, 951679, 1903358, 3806716, 4758395, 9516790, 19033580]

約数ペア:

[(1, 19033580), (2, 9516790), (4, 4758395), (5, 3806716), (10, 1903358), (20, 951679), (109, 174620), (218, 87310), (436, 43655), (545, 34924), (1090, 17462), (2180, 8731)]