18489060

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 120

約数和(自身を含む): 59093496

約数和(自身を除く): 40604436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 101, 108, 113, 135, 162, 180, 202, 226, 270, 303, 324, 339, 404, 405, 452, 505, 540, 565, 606, 678, 810, 909, 1010, 1017, 1130, 1212, 1356, 1515, 1620, 1695, 1818, 2020, 2034, 2260, 2727, 3030, 3051, 3390, 3636, 4068, 4545, 5085, 5454, 6060, 6102, 6780, 8181, 9090, 9153, 10170, 10908, 11413, 12204, 13635, 15255, 16362, 18180, 18306, 20340, 22826, 27270, 30510, 32724, 34239, 36612, 40905, 45652, 45765, 54540, 57065, 61020, 68478, 81810, 91530, 102717, 114130, 136956, 163620, 171195, 183060, 205434, 228260, 308151, 342390, 410868, 513585, 616302, 684780, 924453, 1027170, 1232604, 1540755, 1848906, 2054340, 3081510, 3697812, 4622265, 6163020, 9244530, 18489060]

約数ペア:

[(1, 18489060), (2, 9244530), (3, 6163020), (4, 4622265), (5, 3697812), (6, 3081510), (9, 2054340), (10, 1848906), (12, 1540755), (15, 1232604), (18, 1027170), (20, 924453), (27, 684780), (30, 616302), (36, 513585), (45, 410868), (54, 342390), (60, 308151), (81, 228260), (90, 205434), (101, 183060), (108, 171195), (113, 163620), (135, 136956), (162, 114130), (180, 102717), (202, 91530), (226, 81810), (270, 68478), (303, 61020), (324, 57065), (339, 54540), (404, 45765), (405, 45652), (452, 40905), (505, 36612), (540, 34239), (565, 32724), (606, 30510), (678, 27270), (810, 22826), (909, 20340), (1010, 18306), (1017, 18180), (1130, 16362), (1212, 15255), (1356, 13635), (1515, 12204), (1620, 11413), (1695, 10908), (1818, 10170), (2020, 9153), (2034, 9090), (2260, 8181), (2727, 6780), (3030, 6102), (3051, 6060), (3390, 5454), (3636, 5085), (4068, 4545)]