18998100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:151

約数の個数: 216

約数和(自身を含む): 69058080

約数和(自身を除く): 50059980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 19, 20, 22, 25, 30, 33, 36, 38, 44, 45, 50, 55, 57, 60, 66, 75, 76, 90, 95, 99, 100, 101, 110, 114, 132, 150, 165, 171, 180, 190, 198, 202, 209, 220, 225, 228, 275, 285, 300, 303, 330, 342, 380, 396, 404, 418, 450, 475, 495, 505, 550, 570, 606, 627, 660, 684, 825, 836, 855, 900, 909, 950, 990, 1010, 1045, 1100, 1111, 1140, 1212, 1254, 1425, 1515, 1650, 1710, 1818, 1881, 1900, 1919, 1980, 2020, 2090, 2222, 2475, 2508, 2525, 2850, 3030, 3135, 3300, 3333, 3420, 3636, 3762, 3838, 4180, 4275, 4444, 4545, 4950, 5050, 5225, 5555, 5700, 5757, 6060, 6270, 6666, 7524, 7575, 7676, 8550, 9090, 9405, 9595, 9900, 9999, 10100, 10450, 11110, 11514, 12540, 13332, 15150, 15675, 16665, 17100, 17271, 18180, 18810, 19190, 19998, 20900, 21109, 22220, 22725, 23028, 27775, 28785, 30300, 31350, 33330, 34542, 37620, 38380, 39996, 42218, 45450, 47025, 47975, 49995, 55550, 57570, 62700, 63327, 66660, 69084, 83325, 84436, 86355, 90900, 94050, 95950, 99990, 105545, 111100, 115140, 126654, 143925, 166650, 172710, 188100, 189981, 191900, 199980, 211090, 249975, 253308, 287850, 316635, 333300, 345420, 379962, 422180, 431775, 499950, 527725, 575700, 633270, 759924, 863550, 949905, 999900, 1055450, 1266540, 1583175, 1727100, 1899810, 2110900, 3166350, 3799620, 4749525, 6332700, 9499050, 18998100]

約数ペア:

[(1, 18998100), (2, 9499050), (3, 6332700), (4, 4749525), (5, 3799620), (6, 3166350), (9, 2110900), (10, 1899810), (11, 1727100), (12, 1583175), (15, 1266540), (18, 1055450), (19, 999900), (20, 949905), (22, 863550), (25, 759924), (30, 633270), (33, 575700), (36, 527725), (38, 499950), (44, 431775), (45, 422180), (50, 379962), (55, 345420), (57, 333300), (60, 316635), (66, 287850), (75, 253308), (76, 249975), (90, 211090), (95, 199980), (99, 191900), (100, 189981), (101, 188100), (110, 172710), (114, 166650), (132, 143925), (150, 126654), (165, 115140), (171, 111100), (180, 105545), (190, 99990), (198, 95950), (202, 94050), (209, 90900), (220, 86355), (225, 84436), (228, 83325), (275, 69084), (285, 66660), (300, 63327), (303, 62700), (330, 57570), (342, 55550), (380, 49995), (396, 47975), (404, 47025), (418, 45450), (450, 42218), (475, 39996), (495, 38380), (505, 37620), (550, 34542), (570, 33330), (606, 31350), (627, 30300), (660, 28785), (684, 27775), (825, 23028), (836, 22725), (855, 22220), (900, 21109), (909, 20900), (950, 19998), (990, 19190), (1010, 18810), (1045, 18180), (1100, 17271), (1111, 17100), (1140, 16665), (1212, 15675), (1254, 15150), (1425, 13332), (1515, 12540), (1650, 11514), (1710, 11110), (1818, 10450), (1881, 10100), (1900, 9999), (1919, 9900), (1980, 9595), (2020, 9405), (2090, 9090), (2222, 8550), (2475, 7676), (2508, 7575), (2525, 7524), (2850, 6666), (3030, 6270), (3135, 6060), (3300, 5757), (3333, 5700), (3420, 5555), (3636, 5225), (3762, 5050), (3838, 4950), (4180, 4545), (4275, 4444)]