18798120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:176

約数の個数: 192

約数和(自身を含む): 68739840

約数和(自身を除く): 49941720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 47, 55, 60, 66, 72, 88, 90, 94, 99, 101, 110, 120, 132, 141, 165, 180, 188, 198, 202, 220, 235, 264, 282, 303, 330, 360, 376, 396, 404, 423, 440, 470, 495, 505, 517, 564, 606, 660, 705, 792, 808, 846, 909, 940, 990, 1010, 1034, 1111, 1128, 1212, 1320, 1410, 1515, 1551, 1692, 1818, 1880, 1980, 2020, 2068, 2115, 2222, 2424, 2585, 2820, 3030, 3102, 3333, 3384, 3636, 3960, 4040, 4136, 4230, 4444, 4545, 4653, 4747, 5170, 5555, 5640, 6060, 6204, 6666, 7272, 7755, 8460, 8888, 9090, 9306, 9494, 9999, 10340, 11110, 12120, 12408, 13332, 14241, 15510, 16665, 16920, 18180, 18612, 18988, 19998, 20680, 22220, 23265, 23735, 26664, 28482, 31020, 33330, 36360, 37224, 37976, 39996, 42723, 44440, 46530, 47470, 49995, 52217, 56964, 62040, 66660, 71205, 79992, 85446, 93060, 94940, 99990, 104434, 113928, 133320, 142410, 156651, 170892, 186120, 189880, 199980, 208868, 213615, 261085, 284820, 313302, 341784, 399960, 417736, 427230, 469953, 522170, 569640, 626604, 783255, 854460, 939906, 1044340, 1253208, 1566510, 1708920, 1879812, 2088680, 2349765, 3133020, 3759624, 4699530, 6266040, 9399060, 18798120]

約数ペア:

[(1, 18798120), (2, 9399060), (3, 6266040), (4, 4699530), (5, 3759624), (6, 3133020), (8, 2349765), (9, 2088680), (10, 1879812), (11, 1708920), (12, 1566510), (15, 1253208), (18, 1044340), (20, 939906), (22, 854460), (24, 783255), (30, 626604), (33, 569640), (36, 522170), (40, 469953), (44, 427230), (45, 417736), (47, 399960), (55, 341784), (60, 313302), (66, 284820), (72, 261085), (88, 213615), (90, 208868), (94, 199980), (99, 189880), (101, 186120), (110, 170892), (120, 156651), (132, 142410), (141, 133320), (165, 113928), (180, 104434), (188, 99990), (198, 94940), (202, 93060), (220, 85446), (235, 79992), (264, 71205), (282, 66660), (303, 62040), (330, 56964), (360, 52217), (376, 49995), (396, 47470), (404, 46530), (423, 44440), (440, 42723), (470, 39996), (495, 37976), (505, 37224), (517, 36360), (564, 33330), (606, 31020), (660, 28482), (705, 26664), (792, 23735), (808, 23265), (846, 22220), (909, 20680), (940, 19998), (990, 18988), (1010, 18612), (1034, 18180), (1111, 16920), (1128, 16665), (1212, 15510), (1320, 14241), (1410, 13332), (1515, 12408), (1551, 12120), (1692, 11110), (1818, 10340), (1880, 9999), (1980, 9494), (2020, 9306), (2068, 9090), (2115, 8888), (2222, 8460), (2424, 7755), (2585, 7272), (2820, 6666), (3030, 6204), (3102, 6060), (3333, 5640), (3384, 5555), (3636, 5170), (3960, 4747), (4040, 4653), (4136, 4545), (4230, 4444)]