19511982

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1259}}^1$

素因数の和:1318

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31291218

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 41, 42, 54, 63, 82, 123, 126, 189, 246, 287, 369, 378, 574, 738, 861, 1107, 1259, 1722, 2214, 2518, 2583, 3777, 5166, 7554, 7749, 8813, 11331, 15498, 17626, 22662, 26439, 33993, 51619, 52878, 67986, 79317, 103238, 154857, 158634, 237951, 309714, 361333, 464571, 475902, 722666, 929142, 1083999, 1393713, 2167998, 2787426, 3251997, 6503994, 9755991, 19511982]

約数ペア:

[(1, 19511982), (2, 9755991), (3, 6503994), (6, 3251997), (7, 2787426), (9, 2167998), (14, 1393713), (18, 1083999), (21, 929142), (27, 722666), (41, 475902), (42, 464571), (54, 361333), (63, 309714), (82, 237951), (123, 158634), (126, 154857), (189, 103238), (246, 79317), (287, 67986), (369, 52878), (378, 51619), (574, 33993), (738, 26439), (861, 22662), (1107, 17626), (1259, 15498), (1722, 11331), (2214, 8813), (2518, 7749), (2583, 7554), (3777, 5166)]