19438796013

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{220447}}^1$

素因数の和:220506

約数の個数: 64

約数和(自身を含む): 35553853440

約数和(自身を除く): 16115057427

約数列:

[1, 3, 7, 13, 17, 19, 21, 39, 51, 57, 91, 119, 133, 221, 247, 273, 323, 357, 399, 663, 741, 969, 1547, 1729, 2261, 4199, 4641, 5187, 6783, 12597, 29393, 88179, 220447, 661341, 1543129, 2865811, 3747599, 4188493, 4629387, 8597433, 11242797, 12565479, 20060677, 26233193, 29319451, 48718787, 54450409, 60182031, 71204381, 78699579, 87958353, 146156361, 163351227, 213613143, 341031509, 381152863, 498430667, 925656953, 1023094527, 1143458589, 1495292001, 2776970859, 6479598671, 19438796013]

約数ペア:

[(1, 19438796013), (3, 6479598671), (7, 2776970859), (13, 1495292001), (17, 1143458589), (19, 1023094527), (21, 925656953), (39, 498430667), (51, 381152863), (57, 341031509), (91, 213613143), (119, 163351227), (133, 146156361), (221, 87958353), (247, 78699579), (273, 71204381), (323, 60182031), (357, 54450409), (399, 48718787), (663, 29319451), (741, 26233193), (969, 20060677), (1547, 12565479), (1729, 11242797), (2261, 8597433), (4199, 4629387), (4641, 4188493), (5187, 3747599), (6783, 2865811), (12597, 1543129), (29393, 661341), (88179, 220447)]