19494290

素因数分解:

$2^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{9239}}^1$

素因数の和:9457

約数の個数: 16

約数和(自身を含む): 35259840

約数和(自身を除く): 15765550

約数列:

[1, 2, 5, 10, 211, 422, 1055, 2110, 9239, 18478, 46195, 92390, 1949429, 3898858, 9747145, 19494290]

約数ペア:

[(1, 19494290), (2, 9747145), (5, 3898858), (10, 1949429), (211, 92390), (422, 46195), (1055, 18478), (2110, 9239)]