18890520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1301}}^1$

素因数の和:1337

約数の個数: 96

約数和(自身を含む): 62339760

約数和(自身を除く): 43449240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 121, 132, 165, 220, 242, 264, 330, 363, 440, 484, 605, 660, 726, 968, 1210, 1301, 1320, 1452, 1815, 2420, 2602, 2904, 3630, 3903, 4840, 5204, 6505, 7260, 7806, 10408, 13010, 14311, 14520, 15612, 19515, 26020, 28622, 31224, 39030, 42933, 52040, 57244, 71555, 78060, 85866, 114488, 143110, 156120, 157421, 171732, 214665, 286220, 314842, 343464, 429330, 472263, 572440, 629684, 787105, 858660, 944526, 1259368, 1574210, 1717320, 1889052, 2361315, 3148420, 3778104, 4722630, 6296840, 9445260, 18890520]

約数ペア:

[(1, 18890520), (2, 9445260), (3, 6296840), (4, 4722630), (5, 3778104), (6, 3148420), (8, 2361315), (10, 1889052), (11, 1717320), (12, 1574210), (15, 1259368), (20, 944526), (22, 858660), (24, 787105), (30, 629684), (33, 572440), (40, 472263), (44, 429330), (55, 343464), (60, 314842), (66, 286220), (88, 214665), (110, 171732), (120, 157421), (121, 156120), (132, 143110), (165, 114488), (220, 85866), (242, 78060), (264, 71555), (330, 57244), (363, 52040), (440, 42933), (484, 39030), (605, 31224), (660, 28622), (726, 26020), (968, 19515), (1210, 15612), (1301, 14520), (1320, 14311), (1452, 13010), (1815, 10408), (2420, 7806), (2602, 7260), (2904, 6505), (3630, 5204), (3903, 4840)]