19200621

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 10567059

約数列:

[1, 3, 11, 19, 33, 57, 113, 209, 271, 339, 627, 813, 1243, 2147, 2981, 3729, 5149, 6441, 8943, 15447, 23617, 30623, 56639, 70851, 91869, 169917, 336853, 581837, 1010559, 1745511, 6400207, 19200621]

約数ペア:

[(1, 19200621), (3, 6400207), (11, 1745511), (19, 1010559), (33, 581837), (57, 336853), (113, 169917), (209, 91869), (271, 70851), (339, 56639), (627, 30623), (813, 23617), (1243, 15447), (2147, 8943), (2981, 6441), (3729, 5149)]