19797888

素因数分解:

$2^7\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 59241600

約数和(自身を除く): 39443712

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 32, 33, 43, 44, 48, 64, 66, 86, 88, 96, 109, 128, 129, 132, 172, 176, 192, 218, 258, 264, 327, 344, 352, 384, 436, 473, 516, 528, 654, 688, 704, 872, 946, 1032, 1056, 1199, 1308, 1376, 1408, 1419, 1744, 1892, 2064, 2112, 2398, 2616, 2752, 2838, 3488, 3597, 3784, 4128, 4224, 4687, 4796, 5232, 5504, 5676, 6976, 7194, 7568, 8256, 9374, 9592, 10464, 11352, 13952, 14061, 14388, 15136, 16512, 18748, 19184, 20928, 22704, 28122, 28776, 30272, 37496, 38368, 41856, 45408, 51557, 56244, 57552, 60544, 74992, 76736, 90816, 103114, 112488, 115104, 149984, 153472, 154671, 181632, 206228, 224976, 230208, 299968, 309342, 412456, 449952, 460416, 599936, 618684, 824912, 899904, 1237368, 1649824, 1799808, 2474736, 3299648, 4949472, 6599296, 9898944, 19797888]

約数ペア:

[(1, 19797888), (2, 9898944), (3, 6599296), (4, 4949472), (6, 3299648), (8, 2474736), (11, 1799808), (12, 1649824), (16, 1237368), (22, 899904), (24, 824912), (32, 618684), (33, 599936), (43, 460416), (44, 449952), (48, 412456), (64, 309342), (66, 299968), (86, 230208), (88, 224976), (96, 206228), (109, 181632), (128, 154671), (129, 153472), (132, 149984), (172, 115104), (176, 112488), (192, 103114), (218, 90816), (258, 76736), (264, 74992), (327, 60544), (344, 57552), (352, 56244), (384, 51557), (436, 45408), (473, 41856), (516, 38368), (528, 37496), (654, 30272), (688, 28776), (704, 28122), (872, 22704), (946, 20928), (1032, 19184), (1056, 18748), (1199, 16512), (1308, 15136), (1376, 14388), (1408, 14061), (1419, 13952), (1744, 11352), (1892, 10464), (2064, 9592), (2112, 9374), (2398, 8256), (2616, 7568), (2752, 7194), (2838, 6976), (3488, 5676), (3597, 5504), (3784, 5232), (4128, 4796), (4224, 4687)]