19912314520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71115409}}^1$

素因数の和:71115427

約数の個数: 32

約数和(自身を含む): 51203095200

約数和(自身を除く): 31290780680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 71115409, 142230818, 284461636, 355577045, 497807863, 568923272, 711154090, 995615726, 1422308180, 1991231452, 2489039315, 2844616360, 3982462904, 4978078630, 9956157260, 19912314520]

約数ペア:

[(1, 19912314520), (2, 9956157260), (4, 4978078630), (5, 3982462904), (7, 2844616360), (8, 2489039315), (10, 1991231452), (14, 1422308180), (20, 995615726), (28, 711154090), (35, 568923272), (40, 497807863), (56, 355577045), (70, 284461636), (140, 142230818), (280, 71115409)]