19818162

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:177

約数の個数: 128

約数和(自身を含む): 56179200

約数和(自身を除く): 36361038

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 37, 39, 42, 54, 63, 74, 78, 91, 109, 111, 117, 126, 182, 189, 218, 222, 234, 259, 273, 327, 333, 351, 378, 481, 518, 546, 654, 666, 702, 763, 777, 819, 962, 981, 999, 1417, 1443, 1526, 1554, 1638, 1962, 1998, 2289, 2331, 2457, 2834, 2886, 2943, 3367, 4033, 4251, 4329, 4578, 4662, 4914, 5886, 6734, 6867, 6993, 8066, 8502, 8658, 9919, 10101, 12099, 12753, 12987, 13734, 13986, 19838, 20202, 20601, 24198, 25506, 25974, 28231, 29757, 30303, 36297, 38259, 41202, 52429, 56462, 59514, 60606, 72594, 76518, 84693, 89271, 90909, 104858, 108891, 157287, 169386, 178542, 181818, 217782, 254079, 267813, 314574, 367003, 471861, 508158, 535626, 734006, 762237, 943722, 1101009, 1415583, 1524474, 2202018, 2831166, 3303027, 6606054, 9909081, 19818162]

約数ペア:

[(1, 19818162), (2, 9909081), (3, 6606054), (6, 3303027), (7, 2831166), (9, 2202018), (13, 1524474), (14, 1415583), (18, 1101009), (21, 943722), (26, 762237), (27, 734006), (37, 535626), (39, 508158), (42, 471861), (54, 367003), (63, 314574), (74, 267813), (78, 254079), (91, 217782), (109, 181818), (111, 178542), (117, 169386), (126, 157287), (182, 108891), (189, 104858), (218, 90909), (222, 89271), (234, 84693), (259, 76518), (273, 72594), (327, 60606), (333, 59514), (351, 56462), (378, 52429), (481, 41202), (518, 38259), (546, 36297), (654, 30303), (666, 29757), (702, 28231), (763, 25974), (777, 25506), (819, 24198), (962, 20601), (981, 20202), (999, 19838), (1417, 13986), (1443, 13734), (1526, 12987), (1554, 12753), (1638, 12099), (1962, 10101), (1998, 9919), (2289, 8658), (2331, 8502), (2457, 8066), (2834, 6993), (2886, 6867), (2943, 6734), (3367, 5886), (4033, 4914), (4251, 4662), (4329, 4578)]