17988432891

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{625837}}^1$

素因数の和:625931

約数の個数: 32

約数和(自身を含む): 28598293248

約数和(自身を除く): 10609860357

約数列:

[1, 3, 11, 13, 33, 39, 67, 143, 201, 429, 737, 871, 2211, 2613, 9581, 28743, 625837, 1877511, 6884207, 8135881, 20652621, 24407643, 41931079, 89494691, 125793237, 268484073, 461241869, 545104027, 1383725607, 1635312081, 5996144297, 17988432891]

約数ペア:

[(1, 17988432891), (3, 5996144297), (11, 1635312081), (13, 1383725607), (33, 545104027), (39, 461241869), (67, 268484073), (143, 125793237), (201, 89494691), (429, 41931079), (737, 24407643), (871, 20652621), (2211, 8135881), (2613, 6884207), (9581, 1877511), (28743, 625837)]