15840319

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{3989}}^1$

素因数の和:4038

約数の個数: 12

約数和(自身を含む): 18242280

約数和(自身を除く): 2401961

約数列:

[1, 11, 19, 209, 361, 3971, 3989, 43879, 75791, 833701, 1440029, 15840319]

約数ペア:

[(1, 15840319), (11, 1440029), (19, 833701), (209, 75791), (361, 43879), (3971, 3989)]