19375840

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 50893920

約数和(自身を除く): 31518080

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 101, 109, 110, 160, 176, 202, 218, 220, 352, 404, 436, 440, 505, 545, 808, 872, 880, 1010, 1090, 1111, 1199, 1616, 1744, 1760, 2020, 2180, 2222, 2398, 3232, 3488, 4040, 4360, 4444, 4796, 5555, 5995, 8080, 8720, 8888, 9592, 11009, 11110, 11990, 16160, 17440, 17776, 19184, 22018, 22220, 23980, 35552, 38368, 44036, 44440, 47960, 55045, 88072, 88880, 95920, 110090, 121099, 176144, 177760, 191840, 220180, 242198, 352288, 440360, 484396, 605495, 880720, 968792, 1210990, 1761440, 1937584, 2421980, 3875168, 4843960, 9687920, 19375840]

約数ペア:

[(1, 19375840), (2, 9687920), (4, 4843960), (5, 3875168), (8, 2421980), (10, 1937584), (11, 1761440), (16, 1210990), (20, 968792), (22, 880720), (32, 605495), (40, 484396), (44, 440360), (55, 352288), (80, 242198), (88, 220180), (101, 191840), (109, 177760), (110, 176144), (160, 121099), (176, 110090), (202, 95920), (218, 88880), (220, 88072), (352, 55045), (404, 47960), (436, 44440), (440, 44036), (505, 38368), (545, 35552), (808, 23980), (872, 22220), (880, 22018), (1010, 19184), (1090, 17776), (1111, 17440), (1199, 16160), (1616, 11990), (1744, 11110), (1760, 11009), (2020, 9592), (2180, 8888), (2222, 8720), (2398, 8080), (3232, 5995), (3488, 5555), (4040, 4796), (4360, 4444)]