19617897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{9491}}^1$

素因数の和:9560

約数の個数: 16

約数和(自身を含む): 28703808

約数和(自身を除く): 9085911

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 9491, 28473, 123383, 370149, 503023, 1509069, 6539299, 19617897]

約数ペア:

[(1, 19617897), (3, 6539299), (13, 1509069), (39, 503023), (53, 370149), (159, 123383), (689, 28473), (2067, 9491)]