18442476

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 50725584

約数和(自身を除く): 32283108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 157, 234, 251, 314, 468, 471, 502, 628, 753, 942, 1004, 1413, 1506, 1884, 2041, 2259, 2826, 3012, 3263, 4082, 4518, 5652, 6123, 6526, 8164, 9036, 9789, 12246, 13052, 18369, 19578, 24492, 29367, 36738, 39156, 39407, 58734, 73476, 78814, 117468, 118221, 157628, 236442, 354663, 472884, 512291, 709326, 1024582, 1418652, 1536873, 2049164, 3073746, 4610619, 6147492, 9221238, 18442476]

約数ペア:

[(1, 18442476), (2, 9221238), (3, 6147492), (4, 4610619), (6, 3073746), (9, 2049164), (12, 1536873), (13, 1418652), (18, 1024582), (26, 709326), (36, 512291), (39, 472884), (52, 354663), (78, 236442), (117, 157628), (156, 118221), (157, 117468), (234, 78814), (251, 73476), (314, 58734), (468, 39407), (471, 39156), (502, 36738), (628, 29367), (753, 24492), (942, 19578), (1004, 18369), (1413, 13052), (1506, 12246), (1884, 9789), (2041, 9036), (2259, 8164), (2826, 6526), (3012, 6123), (3263, 5652), (4082, 4518)]