18960885

素因数分解:

$3^4\times 5^1\times {\mathrm{46817}}^1$

素因数の和:46834

約数の個数: 20

約数和(自身を含む): 33989868

約数和(自身を除く): 15028983

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 46817, 140451, 234085, 421353, 702255, 1264059, 2106765, 3792177, 6320295, 18960885]

約数ペア:

[(1, 18960885), (3, 6320295), (5, 3792177), (9, 2106765), (15, 1264059), (27, 702255), (45, 421353), (81, 234085), (135, 140451), (405, 46817)]