18219138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 47155200

約数和(自身を除く): 28936062

約数列:

[1, 2, 3, 6, 7, 14, 17, 19, 21, 34, 38, 42, 51, 57, 79, 102, 114, 119, 133, 158, 237, 238, 266, 289, 323, 357, 399, 474, 553, 578, 646, 714, 798, 867, 969, 1106, 1343, 1501, 1659, 1734, 1938, 2023, 2261, 2686, 3002, 3318, 4029, 4046, 4503, 4522, 5491, 6069, 6783, 8058, 9006, 9401, 10507, 10982, 12138, 13566, 16473, 18802, 21014, 22831, 25517, 28203, 31521, 32946, 38437, 45662, 51034, 56406, 63042, 68493, 76551, 76874, 115311, 136986, 153102, 159817, 178619, 230622, 319634, 357238, 433789, 479451, 535857, 867578, 958902, 1071714, 1301367, 2602734, 3036523, 6073046, 9109569, 18219138]

約数ペア:

[(1, 18219138), (2, 9109569), (3, 6073046), (6, 3036523), (7, 2602734), (14, 1301367), (17, 1071714), (19, 958902), (21, 867578), (34, 535857), (38, 479451), (42, 433789), (51, 357238), (57, 319634), (79, 230622), (102, 178619), (114, 159817), (119, 153102), (133, 136986), (158, 115311), (237, 76874), (238, 76551), (266, 68493), (289, 63042), (323, 56406), (357, 51034), (399, 45662), (474, 38437), (553, 32946), (578, 31521), (646, 28203), (714, 25517), (798, 22831), (867, 21014), (969, 18802), (1106, 16473), (1343, 13566), (1501, 12138), (1659, 10982), (1734, 10507), (1938, 9401), (2023, 9006), (2261, 8058), (2686, 6783), (3002, 6069), (3318, 5491), (4029, 4522), (4046, 4503)]