19374938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28409}}^1$

素因数の和:28453

約数の個数: 16

約数和(自身を含む): 32728320

約数和(自身を除く): 13353382

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28409, 56818, 312499, 624998, 880679, 1761358, 9687469, 19374938]

約数ペア:

[(1, 19374938), (2, 9687469), (11, 1761358), (22, 880679), (31, 624998), (62, 312499), (341, 56818), (682, 28409)]