18581640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2011}}^1$

素因数の和:2043

約数の個数: 128

約数和(自身を含む): 69534720

約数和(自身を除く): 50953080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2011, 2310, 3080, 4022, 4620, 6033, 8044, 9240, 10055, 12066, 14077, 16088, 20110, 22121, 24132, 28154, 30165, 40220, 42231, 44242, 48264, 56308, 60330, 66363, 70385, 80440, 84462, 88484, 110605, 112616, 120660, 132726, 140770, 154847, 168924, 176968, 211155, 221210, 241320, 265452, 281540, 309694, 331815, 337848, 422310, 442420, 464541, 530904, 563080, 619388, 663630, 774235, 844620, 884840, 929082, 1238776, 1327260, 1548470, 1689240, 1858164, 2322705, 2654520, 3096940, 3716328, 4645410, 6193880, 9290820, 18581640]

約数ペア:

[(1, 18581640), (2, 9290820), (3, 6193880), (4, 4645410), (5, 3716328), (6, 3096940), (7, 2654520), (8, 2322705), (10, 1858164), (11, 1689240), (12, 1548470), (14, 1327260), (15, 1238776), (20, 929082), (21, 884840), (22, 844620), (24, 774235), (28, 663630), (30, 619388), (33, 563080), (35, 530904), (40, 464541), (42, 442420), (44, 422310), (55, 337848), (56, 331815), (60, 309694), (66, 281540), (70, 265452), (77, 241320), (84, 221210), (88, 211155), (105, 176968), (110, 168924), (120, 154847), (132, 140770), (140, 132726), (154, 120660), (165, 112616), (168, 110605), (210, 88484), (220, 84462), (231, 80440), (264, 70385), (280, 66363), (308, 60330), (330, 56308), (385, 48264), (420, 44242), (440, 42231), (462, 40220), (616, 30165), (660, 28154), (770, 24132), (840, 22121), (924, 20110), (1155, 16088), (1320, 14077), (1540, 12066), (1848, 10055), (2011, 9240), (2310, 8044), (3080, 6033), (4022, 4620)]