19928017

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{613}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 22104000

約数和(自身を除く): 2175983

約数列:

[1, 19, 29, 59, 551, 613, 1121, 1711, 11647, 17777, 32509, 36167, 337763, 687173, 1048843, 19928017]

約数ペア:

[(1, 19928017), (19, 1048843), (29, 687173), (59, 337763), (551, 36167), (613, 32509), (1121, 17777), (1711, 11647)]