20191299998

素因数分解:

$2^1\times {\mathrm{31}}^2\times {\mathrm{61}}^1\times {\mathrm{172219}}^1$

素因数の和:172344

約数の個数: 24

約数和(自身を含む): 31808689560

約数和(自身を除く): 11617389562

約数列:

[1, 2, 31, 61, 62, 122, 961, 1891, 1922, 3782, 58621, 117242, 172219, 344438, 5338789, 10505359, 10677578, 21010718, 165502459, 325666129, 331004918, 651332258, 10095649999, 20191299998]

約数ペア:

[(1, 20191299998), (2, 10095649999), (31, 651332258), (61, 331004918), (62, 325666129), (122, 165502459), (961, 21010718), (1891, 10677578), (1922, 10505359), (3782, 5338789), (58621, 344438), (117242, 172219)]