18537540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1$

素因数の和:162

約数の個数: 192

約数和(自身を含む): 65802240

約数和(自身を除く): 47264700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 19, 20, 21, 23, 28, 30, 35, 38, 42, 46, 57, 60, 69, 70, 76, 84, 92, 95, 101, 105, 114, 115, 133, 138, 140, 161, 190, 202, 210, 228, 230, 266, 276, 285, 303, 322, 345, 380, 399, 404, 420, 437, 460, 483, 505, 532, 570, 606, 644, 665, 690, 707, 798, 805, 874, 966, 1010, 1140, 1212, 1311, 1330, 1380, 1414, 1515, 1596, 1610, 1748, 1919, 1932, 1995, 2020, 2121, 2185, 2323, 2415, 2622, 2660, 2828, 3030, 3059, 3220, 3535, 3838, 3990, 4242, 4370, 4646, 4830, 5244, 5757, 6060, 6118, 6555, 6969, 7070, 7676, 7980, 8484, 8740, 9177, 9292, 9595, 9660, 10605, 11514, 11615, 12236, 13110, 13433, 13938, 14140, 15295, 16261, 18354, 19190, 21210, 23028, 23230, 26220, 26866, 27876, 28785, 30590, 32522, 34845, 36708, 38380, 40299, 42420, 44137, 45885, 46460, 48783, 53732, 57570, 61180, 65044, 67165, 69690, 80598, 81305, 88274, 91770, 97566, 115140, 132411, 134330, 139380, 161196, 162610, 176548, 183540, 195132, 201495, 220685, 243915, 264822, 268660, 308959, 325220, 402990, 441370, 487830, 529644, 617918, 662055, 805980, 882740, 926877, 975660, 1235836, 1324110, 1544795, 1853754, 2648220, 3089590, 3707508, 4634385, 6179180, 9268770, 18537540]

約数ペア:

[(1, 18537540), (2, 9268770), (3, 6179180), (4, 4634385), (5, 3707508), (6, 3089590), (7, 2648220), (10, 1853754), (12, 1544795), (14, 1324110), (15, 1235836), (19, 975660), (20, 926877), (21, 882740), (23, 805980), (28, 662055), (30, 617918), (35, 529644), (38, 487830), (42, 441370), (46, 402990), (57, 325220), (60, 308959), (69, 268660), (70, 264822), (76, 243915), (84, 220685), (92, 201495), (95, 195132), (101, 183540), (105, 176548), (114, 162610), (115, 161196), (133, 139380), (138, 134330), (140, 132411), (161, 115140), (190, 97566), (202, 91770), (210, 88274), (228, 81305), (230, 80598), (266, 69690), (276, 67165), (285, 65044), (303, 61180), (322, 57570), (345, 53732), (380, 48783), (399, 46460), (404, 45885), (420, 44137), (437, 42420), (460, 40299), (483, 38380), (505, 36708), (532, 34845), (570, 32522), (606, 30590), (644, 28785), (665, 27876), (690, 26866), (707, 26220), (798, 23230), (805, 23028), (874, 21210), (966, 19190), (1010, 18354), (1140, 16261), (1212, 15295), (1311, 14140), (1330, 13938), (1380, 13433), (1414, 13110), (1515, 12236), (1596, 11615), (1610, 11514), (1748, 10605), (1919, 9660), (1932, 9595), (1995, 9292), (2020, 9177), (2121, 8740), (2185, 8484), (2323, 7980), (2415, 7676), (2622, 7070), (2660, 6969), (2828, 6555), (3030, 6118), (3059, 6060), (3220, 5757), (3535, 5244), (3838, 4830), (3990, 4646), (4242, 4370)]