19798574

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{10987}}^1$

素因数の和:11059

約数の個数: 16

約数和(自身を含む): 32041008

約数和(自身を除く): 12242434

約数列:

[1, 2, 17, 34, 53, 106, 901, 1802, 10987, 21974, 186779, 373558, 582311, 1164622, 9899287, 19798574]

約数ペア:

[(1, 19798574), (2, 9899287), (17, 1164622), (34, 582311), (53, 373558), (106, 186779), (901, 21974), (1802, 10987)]