18771672

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{331}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 50198400

約数和(自身を除く): 31426728

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 139, 204, 278, 331, 408, 417, 556, 662, 834, 993, 1112, 1324, 1668, 1986, 2363, 2648, 3336, 3972, 4726, 5627, 7089, 7944, 9452, 11254, 14178, 16881, 18904, 22508, 28356, 33762, 45016, 46009, 56712, 67524, 92018, 135048, 138027, 184036, 276054, 368072, 552108, 782153, 1104216, 1564306, 2346459, 3128612, 4692918, 6257224, 9385836, 18771672]

約数ペア:

[(1, 18771672), (2, 9385836), (3, 6257224), (4, 4692918), (6, 3128612), (8, 2346459), (12, 1564306), (17, 1104216), (24, 782153), (34, 552108), (51, 368072), (68, 276054), (102, 184036), (136, 138027), (139, 135048), (204, 92018), (278, 67524), (331, 56712), (408, 46009), (417, 45016), (556, 33762), (662, 28356), (834, 22508), (993, 18904), (1112, 16881), (1324, 14178), (1668, 11254), (1986, 9452), (2363, 7944), (2648, 7089), (3336, 5627), (3972, 4726)]