19321960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{457}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 50123520

約数和(自身を除く): 30801560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 302, 457, 604, 755, 914, 1057, 1208, 1510, 1828, 2114, 2285, 3020, 3199, 3656, 4228, 4570, 5285, 6040, 6398, 8456, 9140, 10570, 12796, 15995, 18280, 21140, 25592, 31990, 42280, 63980, 69007, 127960, 138014, 276028, 345035, 483049, 552056, 690070, 966098, 1380140, 1932196, 2415245, 2760280, 3864392, 4830490, 9660980, 19321960]

約数ペア:

[(1, 19321960), (2, 9660980), (4, 4830490), (5, 3864392), (7, 2760280), (8, 2415245), (10, 1932196), (14, 1380140), (20, 966098), (28, 690070), (35, 552056), (40, 483049), (56, 345035), (70, 276028), (140, 138014), (151, 127960), (280, 69007), (302, 63980), (457, 42280), (604, 31990), (755, 25592), (914, 21140), (1057, 18280), (1208, 15995), (1510, 12796), (1828, 10570), (2114, 9140), (2285, 8456), (3020, 6398), (3199, 6040), (3656, 5285), (4228, 4570)]