19451961

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{42379}}^1$

素因数の和:42405

約数の個数: 16

約数和(自身を含む): 30513600

約数和(自身を除く): 11061639

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 42379, 127137, 381411, 720443, 1144233, 2161329, 6483987, 19451961]

約数ペア:

[(1, 19451961), (3, 6483987), (9, 2161329), (17, 1144233), (27, 720443), (51, 381411), (153, 127137), (459, 42379)]