18778880748

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^2\times {\mathrm{4759}}^1$

素因数の和:4864

約数の個数: 144

約数和(自身を含む): 50149532160

約数和(自身を除く): 31370651412

約数列:

[1, 2, 3, 4, 6, 12, 17, 23, 29, 34, 46, 51, 58, 68, 69, 87, 92, 102, 116, 138, 174, 204, 276, 348, 391, 493, 667, 782, 841, 986, 1173, 1334, 1479, 1564, 1682, 1972, 2001, 2346, 2523, 2668, 2958, 3364, 4002, 4692, 4759, 5046, 5916, 8004, 9518, 10092, 11339, 14277, 14297, 19036, 19343, 22678, 28554, 28594, 34017, 38686, 42891, 45356, 57108, 57188, 58029, 68034, 77372, 80903, 85782, 109457, 116058, 136068, 138011, 161806, 171564, 218914, 232116, 242709, 276022, 323612, 328371, 328831, 414033, 437828, 485418, 552044, 656742, 657662, 828066, 970836, 986493, 1313484, 1315324, 1656132, 1860769, 1972986, 2346187, 3174253, 3721538, 3945972, 4002319, 4692374, 5582307, 6348506, 7038561, 7443076, 8004638, 9384748, 9522759, 11164614, 12006957, 12697012, 14077122, 16009276, 19045518, 22329228, 24013914, 28154244, 38091036, 48027828, 53962301, 68039423, 92053337, 107924602, 136078846, 161886903, 184106674, 204118269, 215849204, 272157692, 276160011, 323773806, 368213348, 408236538, 552320022, 647547612, 816473076, 1104640044, 1564906729, 3129813458, 4694720187, 6259626916, 9389440374, 18778880748]

約数ペア:

[(1, 18778880748), (2, 9389440374), (3, 6259626916), (4, 4694720187), (6, 3129813458), (12, 1564906729), (17, 1104640044), (23, 816473076), (29, 647547612), (34, 552320022), (46, 408236538), (51, 368213348), (58, 323773806), (68, 276160011), (69, 272157692), (87, 215849204), (92, 204118269), (102, 184106674), (116, 161886903), (138, 136078846), (174, 107924602), (204, 92053337), (276, 68039423), (348, 53962301), (391, 48027828), (493, 38091036), (667, 28154244), (782, 24013914), (841, 22329228), (986, 19045518), (1173, 16009276), (1334, 14077122), (1479, 12697012), (1564, 12006957), (1682, 11164614), (1972, 9522759), (2001, 9384748), (2346, 8004638), (2523, 7443076), (2668, 7038561), (2958, 6348506), (3364, 5582307), (4002, 4692374), (4692, 4002319), (4759, 3945972), (5046, 3721538), (5916, 3174253), (8004, 2346187), (9518, 1972986), (10092, 1860769), (11339, 1656132), (14277, 1315324), (14297, 1313484), (19036, 986493), (19343, 970836), (22678, 828066), (28554, 657662), (28594, 656742), (34017, 552044), (38686, 485418), (42891, 437828), (45356, 414033), (57108, 328831), (57188, 328371), (58029, 323612), (68034, 276022), (77372, 242709), (80903, 232116), (85782, 218914), (109457, 171564), (116058, 161806), (136068, 138011)]