18969586

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{4259}}^1$

素因数の和:4409

約数の個数: 16

約数和(自身を含む): 30365280

約数和(自身を除く): 11395694

約数列:

[1, 2, 17, 34, 131, 262, 2227, 4259, 4454, 8518, 72403, 144806, 557929, 1115858, 9484793, 18969586]

約数ペア:

[(1, 18969586), (2, 9484793), (17, 1115858), (34, 557929), (131, 144806), (262, 72403), (2227, 8518), (4259, 4454)]