18769586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19841}}^1$

素因数の和:19897

約数の個数: 16

約数和(自身を含む): 31429728

約数和(自身を除く): 12660142

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 19841, 39682, 218251, 436502, 853163, 1706326, 9384793, 18769586]

約数ペア:

[(1, 18769586), (2, 9384793), (11, 1706326), (22, 853163), (43, 436502), (86, 218251), (473, 39682), (946, 19841)]