19878470

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46229}}^1$

素因数の和:46279

約数の個数: 16

約数和(自身を含む): 36614160

約数和(自身を除く): 16735690

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46229, 92458, 231145, 462290, 1987847, 3975694, 9939235, 19878470]

約数ペア:

[(1, 19878470), (2, 9939235), (5, 3975694), (10, 1987847), (43, 462290), (86, 231145), (215, 92458), (430, 46229)]