19778880

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1873}}^1$

素因数の和:1904

約数の個数: 112

約数和(自身を含む): 68543424

約数和(自身を除く): 48764544

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 440, 480, 528, 660, 704, 880, 960, 1056, 1320, 1760, 1873, 2112, 2640, 3520, 3746, 5280, 5619, 7492, 9365, 10560, 11238, 14984, 18730, 20603, 22476, 28095, 29968, 37460, 41206, 44952, 56190, 59936, 61809, 74920, 82412, 89904, 103015, 112380, 119872, 123618, 149840, 164824, 179808, 206030, 224760, 247236, 299680, 309045, 329648, 359616, 412060, 449520, 494472, 599360, 618090, 659296, 824120, 899040, 988944, 1236180, 1318592, 1648240, 1798080, 1977888, 2472360, 3296480, 3955776, 4944720, 6592960, 9889440, 19778880]

約数ペア:

[(1, 19778880), (2, 9889440), (3, 6592960), (4, 4944720), (5, 3955776), (6, 3296480), (8, 2472360), (10, 1977888), (11, 1798080), (12, 1648240), (15, 1318592), (16, 1236180), (20, 988944), (22, 899040), (24, 824120), (30, 659296), (32, 618090), (33, 599360), (40, 494472), (44, 449520), (48, 412060), (55, 359616), (60, 329648), (64, 309045), (66, 299680), (80, 247236), (88, 224760), (96, 206030), (110, 179808), (120, 164824), (132, 149840), (160, 123618), (165, 119872), (176, 112380), (192, 103015), (220, 89904), (240, 82412), (264, 74920), (320, 61809), (330, 59936), (352, 56190), (440, 44952), (480, 41206), (528, 37460), (660, 29968), (704, 28095), (880, 22476), (960, 20603), (1056, 18730), (1320, 14984), (1760, 11238), (1873, 10560), (2112, 9365), (2640, 7492), (3520, 5619), (3746, 5280)]