19513857

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{5233}}^1$

素因数の和:5360

約数の個数: 16

約数和(自身を含む): 28640448

約数和(自身を除く): 9126591

約数列:

[1, 3, 11, 33, 113, 339, 1243, 3729, 5233, 15699, 57563, 172689, 591329, 1773987, 6504619, 19513857]

約数ペア:

[(1, 19513857), (3, 6504619), (11, 1773987), (33, 591329), (113, 172689), (339, 57563), (1243, 15699), (3729, 5233)]