18781776

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:233

約数の個数: 120

約数和(自身を含む): 57774080

約数和(自身を除く): 38992304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 79, 104, 117, 127, 144, 156, 158, 208, 234, 237, 254, 312, 316, 381, 468, 474, 508, 624, 632, 711, 762, 936, 948, 1016, 1027, 1143, 1264, 1422, 1524, 1651, 1872, 1896, 2032, 2054, 2286, 2844, 3048, 3081, 3302, 3792, 4108, 4572, 4953, 5688, 6096, 6162, 6604, 8216, 9144, 9243, 9906, 10033, 11376, 12324, 13208, 14859, 16432, 18288, 18486, 19812, 20066, 24648, 26416, 29718, 30099, 36972, 39624, 40132, 49296, 59436, 60198, 73944, 79248, 80264, 90297, 118872, 120396, 130429, 147888, 160528, 180594, 237744, 240792, 260858, 361188, 391287, 481584, 521716, 722376, 782574, 1043432, 1173861, 1444752, 1565148, 2086864, 2347722, 3130296, 4695444, 6260592, 9390888, 18781776]

約数ペア:

[(1, 18781776), (2, 9390888), (3, 6260592), (4, 4695444), (6, 3130296), (8, 2347722), (9, 2086864), (12, 1565148), (13, 1444752), (16, 1173861), (18, 1043432), (24, 782574), (26, 722376), (36, 521716), (39, 481584), (48, 391287), (52, 361188), (72, 260858), (78, 240792), (79, 237744), (104, 180594), (117, 160528), (127, 147888), (144, 130429), (156, 120396), (158, 118872), (208, 90297), (234, 80264), (237, 79248), (254, 73944), (312, 60198), (316, 59436), (381, 49296), (468, 40132), (474, 39624), (508, 36972), (624, 30099), (632, 29718), (711, 26416), (762, 24648), (936, 20066), (948, 19812), (1016, 18486), (1027, 18288), (1143, 16432), (1264, 14859), (1422, 13208), (1524, 12324), (1651, 11376), (1872, 10033), (1896, 9906), (2032, 9243), (2054, 9144), (2286, 8216), (2844, 6604), (3048, 6162), (3081, 6096), (3302, 5688), (3792, 4953), (4108, 4572)]