18378738

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:893

約数の個数: 80

約数和(自身を含む): 49600320

約数和(自身を除く): 31221582

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 266, 342, 378, 399, 513, 567, 798, 853, 1026, 1134, 1197, 1539, 1706, 2394, 2559, 3078, 3591, 5118, 5971, 7182, 7677, 10773, 11942, 15354, 16207, 17913, 21546, 23031, 32414, 35826, 46062, 48621, 53739, 69093, 97242, 107478, 113449, 138186, 145863, 161217, 226898, 291726, 322434, 340347, 437589, 483651, 680694, 875178, 967302, 1021041, 1312767, 2042082, 2625534, 3063123, 6126246, 9189369, 18378738]

約数ペア:

[(1, 18378738), (2, 9189369), (3, 6126246), (6, 3063123), (7, 2625534), (9, 2042082), (14, 1312767), (18, 1021041), (19, 967302), (21, 875178), (27, 680694), (38, 483651), (42, 437589), (54, 340347), (57, 322434), (63, 291726), (81, 226898), (114, 161217), (126, 145863), (133, 138186), (162, 113449), (171, 107478), (189, 97242), (266, 69093), (342, 53739), (378, 48621), (399, 46062), (513, 35826), (567, 32414), (798, 23031), (853, 21546), (1026, 17913), (1134, 16207), (1197, 15354), (1539, 11942), (1706, 10773), (2394, 7677), (2559, 7182), (3078, 5971), (3591, 5118)]