19514143

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{563}}^1$

素因数の和:734

約数の個数: 16

約数和(自身を含む): 22415616

約数和(自身を除く): 2901473

約数列:

[1, 11, 23, 137, 253, 563, 1507, 3151, 6193, 12949, 34661, 77131, 142439, 848441, 1774013, 19514143]

約数ペア:

[(1, 19514143), (11, 1774013), (23, 848441), (137, 142439), (253, 77131), (563, 34661), (1507, 12949), (3151, 6193)]