19580721721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{223}}^1\times {\mathrm{347059}}^1$

素因数の和:347316

約数の個数: 16

約数和(自身を含む): 22389534720

約数和(自身を除く): 2808812999

約数列:

[1, 11, 23, 223, 253, 2453, 5129, 56419, 347059, 3817649, 7982357, 77394157, 87805927, 851335727, 1780065611, 19580721721]

約数ペア:

[(1, 19580721721), (11, 1780065611), (23, 851335727), (223, 87805927), (253, 77394157), (2453, 7982357), (5129, 3817649), (56419, 347059)]