18663540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1201}}^1$

素因数の和:1257

約数の個数: 96

約数和(自身を含む): 61388544

約数和(自身を除く): 42725004

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 37, 42, 60, 70, 74, 84, 105, 111, 140, 148, 185, 210, 222, 259, 370, 420, 444, 518, 555, 740, 777, 1036, 1110, 1201, 1295, 1554, 2220, 2402, 2590, 3108, 3603, 3885, 4804, 5180, 6005, 7206, 7770, 8407, 12010, 14412, 15540, 16814, 18015, 24020, 25221, 33628, 36030, 42035, 44437, 50442, 72060, 84070, 88874, 100884, 126105, 133311, 168140, 177748, 222185, 252210, 266622, 311059, 444370, 504420, 533244, 622118, 666555, 888740, 933177, 1244236, 1333110, 1555295, 1866354, 2666220, 3110590, 3732708, 4665885, 6221180, 9331770, 18663540]

約数ペア:

[(1, 18663540), (2, 9331770), (3, 6221180), (4, 4665885), (5, 3732708), (6, 3110590), (7, 2666220), (10, 1866354), (12, 1555295), (14, 1333110), (15, 1244236), (20, 933177), (21, 888740), (28, 666555), (30, 622118), (35, 533244), (37, 504420), (42, 444370), (60, 311059), (70, 266622), (74, 252210), (84, 222185), (105, 177748), (111, 168140), (140, 133311), (148, 126105), (185, 100884), (210, 88874), (222, 84070), (259, 72060), (370, 50442), (420, 44437), (444, 42035), (518, 36030), (555, 33628), (740, 25221), (777, 24020), (1036, 18015), (1110, 16814), (1201, 15540), (1295, 14412), (1554, 12010), (2220, 8407), (2402, 7770), (2590, 7206), (3108, 6005), (3603, 5180), (3885, 4804)]