19748868

素因数分解:

$2^2\times 3^1\times {\mathrm{43}}^1\times {\mathrm{38273}}^1$

素因数の和:38323

約数の個数: 24

約数和(自身を含む): 47153568

約数和(自身を除く): 27404700

約数列:

[1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 38273, 76546, 114819, 153092, 229638, 459276, 1645739, 3291478, 4937217, 6582956, 9874434, 19748868]

約数ペア:

[(1, 19748868), (2, 9874434), (3, 6582956), (4, 4937217), (6, 3291478), (12, 1645739), (43, 459276), (86, 229638), (129, 153092), (172, 114819), (258, 76546), (516, 38273)]