19945209603

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{1485013}}^1$

素因数の和:1485075

約数の個数: 24

約数和(自身を含む): 30021043024

約数和(自身を除く): 10075833421

約数列:

[1, 3, 11, 33, 37, 111, 121, 363, 407, 1221, 4477, 13431, 1485013, 4455039, 16335143, 49005429, 54945481, 164836443, 179686573, 539059719, 604400291, 1813200873, 6648403201, 19945209603]

約数ペア:

[(1, 19945209603), (3, 6648403201), (11, 1813200873), (33, 604400291), (37, 539059719), (111, 179686573), (121, 164836443), (363, 54945481), (407, 49005429), (1221, 16335143), (4477, 4455039), (13431, 1485013)]