18898110

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1$

素因数の和:141

約数の個数: 192

約数和(自身を含む): 64157184

約数和(自身を除く): 45259074

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 11, 14, 15, 18, 21, 22, 27, 30, 33, 35, 42, 45, 54, 55, 63, 66, 70, 77, 81, 90, 99, 101, 105, 110, 126, 135, 154, 162, 165, 189, 198, 202, 210, 231, 243, 270, 297, 303, 315, 330, 378, 385, 405, 462, 486, 495, 505, 567, 594, 606, 630, 693, 707, 770, 810, 891, 909, 945, 990, 1010, 1111, 1134, 1155, 1215, 1386, 1414, 1485, 1515, 1701, 1782, 1818, 1890, 2079, 2121, 2222, 2310, 2430, 2673, 2727, 2835, 2970, 3030, 3333, 3402, 3465, 3535, 4158, 4242, 4455, 4545, 5346, 5454, 5555, 5670, 6237, 6363, 6666, 6930, 7070, 7777, 8181, 8505, 8910, 9090, 9999, 10395, 10605, 11110, 12474, 12726, 13365, 13635, 15554, 16362, 16665, 17010, 18711, 19089, 19998, 20790, 21210, 23331, 24543, 26730, 27270, 29997, 31185, 31815, 33330, 37422, 38178, 38885, 40905, 46662, 49086, 49995, 57267, 59994, 62370, 63630, 69993, 77770, 81810, 89991, 93555, 95445, 99990, 114534, 116655, 122715, 139986, 149985, 171801, 179982, 187110, 190890, 209979, 233310, 245430, 269973, 286335, 299970, 343602, 349965, 419958, 449955, 539946, 572670, 629937, 699930, 859005, 899910, 1049895, 1259874, 1349865, 1718010, 1889811, 2099790, 2699730, 3149685, 3779622, 6299370, 9449055, 18898110]

約数ペア:

[(1, 18898110), (2, 9449055), (3, 6299370), (5, 3779622), (6, 3149685), (7, 2699730), (9, 2099790), (10, 1889811), (11, 1718010), (14, 1349865), (15, 1259874), (18, 1049895), (21, 899910), (22, 859005), (27, 699930), (30, 629937), (33, 572670), (35, 539946), (42, 449955), (45, 419958), (54, 349965), (55, 343602), (63, 299970), (66, 286335), (70, 269973), (77, 245430), (81, 233310), (90, 209979), (99, 190890), (101, 187110), (105, 179982), (110, 171801), (126, 149985), (135, 139986), (154, 122715), (162, 116655), (165, 114534), (189, 99990), (198, 95445), (202, 93555), (210, 89991), (231, 81810), (243, 77770), (270, 69993), (297, 63630), (303, 62370), (315, 59994), (330, 57267), (378, 49995), (385, 49086), (405, 46662), (462, 40905), (486, 38885), (495, 38178), (505, 37422), (567, 33330), (594, 31815), (606, 31185), (630, 29997), (693, 27270), (707, 26730), (770, 24543), (810, 23331), (891, 21210), (909, 20790), (945, 19998), (990, 19089), (1010, 18711), (1111, 17010), (1134, 16665), (1155, 16362), (1215, 15554), (1386, 13635), (1414, 13365), (1485, 12726), (1515, 12474), (1701, 11110), (1782, 10605), (1818, 10395), (1890, 9999), (2079, 9090), (2121, 8910), (2222, 8505), (2310, 8181), (2430, 7777), (2673, 7070), (2727, 6930), (2835, 6666), (2970, 6363), (3030, 6237), (3333, 5670), (3402, 5555), (3465, 5454), (3535, 5346), (4158, 4545), (4242, 4455)]