19695376

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{28627}}^1$

素因数の和:28678

約数の個数: 20

約数和(自身を含む): 39048592

約数和(自身を除く): 19353216

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 28627, 57254, 114508, 229016, 458032, 1230961, 2461922, 4923844, 9847688, 19695376]

約数ペア:

[(1, 19695376), (2, 9847688), (4, 4923844), (8, 2461922), (16, 1230961), (43, 458032), (86, 229016), (172, 114508), (344, 57254), (688, 28627)]