19466440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1879}}^1$

素因数の和:1934

約数の個数: 64

約数和(自身を含む): 51436800

約数和(自身を除く): 31970360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 37, 40, 56, 70, 74, 140, 148, 185, 259, 280, 296, 370, 518, 740, 1036, 1295, 1480, 1879, 2072, 2590, 3758, 5180, 7516, 9395, 10360, 13153, 15032, 18790, 26306, 37580, 52612, 65765, 69523, 75160, 105224, 131530, 139046, 263060, 278092, 347615, 486661, 526120, 556184, 695230, 973322, 1390460, 1946644, 2433305, 2780920, 3893288, 4866610, 9733220, 19466440]

約数ペア:

[(1, 19466440), (2, 9733220), (4, 4866610), (5, 3893288), (7, 2780920), (8, 2433305), (10, 1946644), (14, 1390460), (20, 973322), (28, 695230), (35, 556184), (37, 526120), (40, 486661), (56, 347615), (70, 278092), (74, 263060), (140, 139046), (148, 131530), (185, 105224), (259, 75160), (280, 69523), (296, 65765), (370, 52612), (518, 37580), (740, 26306), (1036, 18790), (1295, 15032), (1480, 13153), (1879, 10360), (2072, 9395), (2590, 7516), (3758, 5180)]