18872308

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 41050240

約数和(自身を除く): 22177932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 139, 182, 278, 364, 373, 556, 746, 973, 1492, 1807, 1946, 2611, 3614, 3892, 4849, 5222, 7228, 9698, 10444, 12649, 19396, 25298, 33943, 50596, 51847, 67886, 103694, 135772, 207388, 362929, 674011, 725858, 1348022, 1451716, 2696044, 4718077, 9436154, 18872308]

約数ペア:

[(1, 18872308), (2, 9436154), (4, 4718077), (7, 2696044), (13, 1451716), (14, 1348022), (26, 725858), (28, 674011), (52, 362929), (91, 207388), (139, 135772), (182, 103694), (278, 67886), (364, 51847), (373, 50596), (556, 33943), (746, 25298), (973, 19396), (1492, 12649), (1807, 10444), (1946, 9698), (2611, 7228), (3614, 5222), (3892, 4849)]