19445472

素因数分解:

$2^5\times 3^2\times {\mathrm{251}}^1\times {\mathrm{269}}^1$

素因数の和:536

約数の個数: 72

約数和(自身を含む): 55724760

約数和(自身を除く): 36279288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 251, 269, 288, 502, 538, 753, 807, 1004, 1076, 1506, 1614, 2008, 2152, 2259, 2421, 3012, 3228, 4016, 4304, 4518, 4842, 6024, 6456, 8032, 8608, 9036, 9684, 12048, 12912, 18072, 19368, 24096, 25824, 36144, 38736, 67519, 72288, 77472, 135038, 202557, 270076, 405114, 540152, 607671, 810228, 1080304, 1215342, 1620456, 2160608, 2430684, 3240912, 4861368, 6481824, 9722736, 19445472]

約数ペア:

[(1, 19445472), (2, 9722736), (3, 6481824), (4, 4861368), (6, 3240912), (8, 2430684), (9, 2160608), (12, 1620456), (16, 1215342), (18, 1080304), (24, 810228), (32, 607671), (36, 540152), (48, 405114), (72, 270076), (96, 202557), (144, 135038), (251, 77472), (269, 72288), (288, 67519), (502, 38736), (538, 36144), (753, 25824), (807, 24096), (1004, 19368), (1076, 18072), (1506, 12912), (1614, 12048), (2008, 9684), (2152, 9036), (2259, 8608), (2421, 8032), (3012, 6456), (3228, 6024), (4016, 4842), (4304, 4518)]