18798897

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{509}}^1\times {\mathrm{947}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 27074880

約数和(自身を除く): 8275983

約数列:

[1, 3, 13, 39, 509, 947, 1527, 2841, 6617, 12311, 19851, 36933, 482023, 1446069, 6266299, 18798897]

約数ペア:

[(1, 18798897), (3, 6266299), (13, 1446069), (39, 482023), (509, 36933), (947, 19851), (1527, 12311), (2841, 6617)]