18550168

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 64

約数和(自身を含む): 43464960

約数和(自身を除く): 24914792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 83, 91, 104, 166, 182, 307, 332, 364, 581, 614, 664, 728, 1079, 1162, 1228, 2149, 2158, 2324, 2456, 3991, 4298, 4316, 4648, 7553, 7982, 8596, 8632, 15106, 15964, 17192, 25481, 27937, 30212, 31928, 50962, 55874, 60424, 101924, 111748, 178367, 203848, 223496, 331253, 356734, 662506, 713468, 1325012, 1426936, 2318771, 2650024, 4637542, 9275084, 18550168]

約数ペア:

[(1, 18550168), (2, 9275084), (4, 4637542), (7, 2650024), (8, 2318771), (13, 1426936), (14, 1325012), (26, 713468), (28, 662506), (52, 356734), (56, 331253), (83, 223496), (91, 203848), (104, 178367), (166, 111748), (182, 101924), (307, 60424), (332, 55874), (364, 50962), (581, 31928), (614, 30212), (664, 27937), (728, 25481), (1079, 17192), (1162, 15964), (1228, 15106), (2149, 8632), (2158, 8596), (2324, 7982), (2456, 7553), (3991, 4648), (4298, 4316)]