19055120

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4861}}^1$

素因数の和:4888

約数の個数: 60

約数和(自身を含む): 51546924

約数和(自身を除く): 32491804

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, 4861, 9722, 19444, 24305, 34027, 38888, 48610, 68054, 77776, 97220, 136108, 170135, 194440, 238189, 272216, 340270, 388880, 476378, 544432, 680540, 952756, 1190945, 1361080, 1905512, 2381890, 2722160, 3811024, 4763780, 9527560, 19055120]

約数ペア:

[(1, 19055120), (2, 9527560), (4, 4763780), (5, 3811024), (7, 2722160), (8, 2381890), (10, 1905512), (14, 1361080), (16, 1190945), (20, 952756), (28, 680540), (35, 544432), (40, 476378), (49, 388880), (56, 340270), (70, 272216), (80, 238189), (98, 194440), (112, 170135), (140, 136108), (196, 97220), (245, 77776), (280, 68054), (392, 48610), (490, 38888), (560, 34027), (784, 24305), (980, 19444), (1960, 9722), (3920, 4861)]