18939010

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{99679}}^1$

素因数の和:99705

約数の個数: 16

約数和(自身を含む): 35884800

約数和(自身を除く): 16945790

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 99679, 199358, 498395, 996790, 1893901, 3787802, 9469505, 18939010]

約数ペア:

[(1, 18939010), (2, 9469505), (5, 3787802), (10, 1893901), (19, 996790), (38, 498395), (95, 199358), (190, 99679)]