18915673878

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{15583}}^1$

素因数の和:15783

約数の個数: 80

約数和(自身を含む): 43445698560

約数和(自身を除く): 24530024682

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 127, 162, 177, 254, 354, 381, 531, 762, 1062, 1143, 1593, 2286, 3186, 3429, 4779, 6858, 7493, 9558, 10287, 14986, 15583, 20574, 22479, 31166, 44958, 46749, 67437, 93498, 134874, 140247, 202311, 280494, 404622, 420741, 606933, 841482, 919397, 1213866, 1262223, 1838794, 1979041, 2524446, 2758191, 3958082, 5516382, 5937123, 8274573, 11874246, 16549146, 17811369, 24823719, 35622738, 49647438, 53434107, 74471157, 106868214, 116763419, 148942314, 160302321, 233526838, 320604642, 350290257, 700580514, 1050870771, 2101741542, 3152612313, 6305224626, 9457836939, 18915673878]

約数ペア:

[(1, 18915673878), (2, 9457836939), (3, 6305224626), (6, 3152612313), (9, 2101741542), (18, 1050870771), (27, 700580514), (54, 350290257), (59, 320604642), (81, 233526838), (118, 160302321), (127, 148942314), (162, 116763419), (177, 106868214), (254, 74471157), (354, 53434107), (381, 49647438), (531, 35622738), (762, 24823719), (1062, 17811369), (1143, 16549146), (1593, 11874246), (2286, 8274573), (3186, 5937123), (3429, 5516382), (4779, 3958082), (6858, 2758191), (7493, 2524446), (9558, 1979041), (10287, 1838794), (14986, 1262223), (15583, 1213866), (20574, 919397), (22479, 841482), (31166, 606933), (44958, 420741), (46749, 404622), (67437, 280494), (93498, 202311), (134874, 140247)]