19409630

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17807}}^1$

素因数の和:17923

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 15850210

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17807, 35614, 89035, 178070, 1940963, 3881926, 9704815, 19409630]

約数ペア:

[(1, 19409630), (2, 9704815), (5, 3881926), (10, 1940963), (109, 178070), (218, 89035), (545, 35614), (1090, 17807)]