18620199

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17683}}^1$

素因数の和:17708

約数の個数: 20

約数和(自身を含む): 29956696

約数和(自身を除く): 11336497

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17683, 53049, 159147, 229879, 477441, 689637, 1432323, 2068911, 6206733, 18620199]

約数ペア:

[(1, 18620199), (3, 6206733), (9, 2068911), (13, 1432323), (27, 689637), (39, 477441), (81, 229879), (117, 159147), (351, 53049), (1053, 17683)]