19311218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{353}}^1\times {\mathrm{1609}}^1$

素因数の和:1981

約数の個数: 16

約数和(自身を含む): 30776760

約数和(自身を除く): 11465542

約数列:

[1, 2, 17, 34, 353, 706, 1609, 3218, 6001, 12002, 27353, 54706, 567977, 1135954, 9655609, 19311218]

約数ペア:

[(1, 19311218), (2, 9655609), (17, 1135954), (34, 567977), (353, 54706), (706, 27353), (1609, 12002), (3218, 6001)]