19916698

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{887}}^1$

素因数の和:1101

約数の個数: 16

約数和(自身を含む): 30476160

約数和(自身を除く): 10559462

約数列:

[1, 2, 103, 109, 206, 218, 887, 1774, 11227, 22454, 91361, 96683, 182722, 193366, 9958349, 19916698]

約数ペア:

[(1, 19916698), (2, 9958349), (103, 193366), (109, 182722), (206, 96683), (218, 91361), (887, 22454), (1774, 11227)]