19541956

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{337}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 41641600

約数和(自身を除く): 22099644

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 109, 133, 218, 266, 337, 436, 532, 674, 763, 1348, 1526, 2071, 2359, 3052, 4142, 4718, 6403, 8284, 9436, 12806, 14497, 25612, 28994, 36733, 44821, 57988, 73466, 89642, 146932, 179284, 257131, 514262, 697927, 1028524, 1395854, 2791708, 4885489, 9770978, 19541956]

約数ペア:

[(1, 19541956), (2, 9770978), (4, 4885489), (7, 2791708), (14, 1395854), (19, 1028524), (28, 697927), (38, 514262), (76, 257131), (109, 179284), (133, 146932), (218, 89642), (266, 73466), (337, 57988), (436, 44821), (532, 36733), (674, 28994), (763, 25612), (1348, 14497), (1526, 12806), (2071, 9436), (2359, 8284), (3052, 6403), (4142, 4718)]