19470640

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4967}}^1$

素因数の和:4994

約数の個数: 60

約数和(自身を含む): 52670736

約数和(自身を除く): 33200096

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 4967, 9934, 19868, 24835, 34769, 39736, 49670, 69538, 79472, 99340, 139076, 173845, 198680, 243383, 278152, 347690, 397360, 486766, 556304, 695380, 973532, 1216915, 1390760, 1947064, 2433830, 2781520, 3894128, 4867660, 9735320, 19470640]

約数ペア:

[(1, 19470640), (2, 9735320), (4, 4867660), (5, 3894128), (7, 2781520), (8, 2433830), (10, 1947064), (14, 1390760), (16, 1216915), (20, 973532), (28, 695380), (35, 556304), (40, 486766), (49, 397360), (56, 347690), (70, 278152), (80, 243383), (98, 198680), (112, 173845), (140, 139076), (196, 99340), (245, 79472), (280, 69538), (392, 49670), (490, 39736), (560, 34769), (784, 24835), (980, 19868), (1960, 9934), (3920, 4967)]