19639060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{929}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 47496960

約数和(自身を除く): 27857900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 151, 302, 604, 755, 929, 1057, 1510, 1858, 2114, 3020, 3716, 4228, 4645, 5285, 6503, 9290, 10570, 13006, 18580, 21140, 26012, 32515, 65030, 130060, 140279, 280558, 561116, 701395, 981953, 1402790, 1963906, 2805580, 3927812, 4909765, 9819530, 19639060]

約数ペア:

[(1, 19639060), (2, 9819530), (4, 4909765), (5, 3927812), (7, 2805580), (10, 1963906), (14, 1402790), (20, 981953), (28, 701395), (35, 561116), (70, 280558), (140, 140279), (151, 130060), (302, 65030), (604, 32515), (755, 26012), (929, 21140), (1057, 18580), (1510, 13006), (1858, 10570), (2114, 9290), (3020, 6503), (3716, 5285), (4228, 4645)]