19991412

素因数分解:

$2^2\times 3^2\times 7^3\times {\mathrm{1619}}^1$

素因数の和:1650

約数の個数: 72

約数和(自身を含む): 58968000

約数和(自身を除く): 38976588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 343, 441, 588, 686, 882, 1029, 1372, 1619, 1764, 2058, 3087, 3238, 4116, 4857, 6174, 6476, 9714, 11333, 12348, 14571, 19428, 22666, 29142, 33999, 45332, 58284, 67998, 79331, 101997, 135996, 158662, 203994, 237993, 317324, 407988, 475986, 555317, 713979, 951972, 1110634, 1427958, 1665951, 2221268, 2855916, 3331902, 4997853, 6663804, 9995706, 19991412]

約数ペア:

[(1, 19991412), (2, 9995706), (3, 6663804), (4, 4997853), (6, 3331902), (7, 2855916), (9, 2221268), (12, 1665951), (14, 1427958), (18, 1110634), (21, 951972), (28, 713979), (36, 555317), (42, 475986), (49, 407988), (63, 317324), (84, 237993), (98, 203994), (126, 158662), (147, 135996), (196, 101997), (252, 79331), (294, 67998), (343, 58284), (441, 45332), (588, 33999), (686, 29142), (882, 22666), (1029, 19428), (1372, 14571), (1619, 12348), (1764, 11333), (2058, 9714), (3087, 6476), (3238, 6174), (4116, 4857)]