19967556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12511}}^1$

素因数の和:12544

約数の個数: 48

約数和(自身を含む): 56053760

約数和(自身を除く): 36086204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 399, 532, 798, 1596, 12511, 25022, 37533, 50044, 75066, 87577, 150132, 175154, 237709, 262731, 350308, 475418, 525462, 713127, 950836, 1050924, 1426254, 1663963, 2852508, 3327926, 4991889, 6655852, 9983778, 19967556]

約数ペア:

[(1, 19967556), (2, 9983778), (3, 6655852), (4, 4991889), (6, 3327926), (7, 2852508), (12, 1663963), (14, 1426254), (19, 1050924), (21, 950836), (28, 713127), (38, 525462), (42, 475418), (57, 350308), (76, 262731), (84, 237709), (114, 175154), (133, 150132), (228, 87577), (266, 75066), (399, 50044), (532, 37533), (798, 25022), (1596, 12511)]