19421491176

素因数分解:

$2^3\times 3^5\times {\mathrm{499}}^1\times {\mathrm{20021}}^1$

素因数の和:20541

約数の個数: 96

約数和(自身を含む): 54660060000

約数和(自身を除く): 35238568824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 499, 648, 972, 998, 1497, 1944, 1996, 2994, 3992, 4491, 5988, 8982, 11976, 13473, 17964, 20021, 26946, 35928, 40042, 40419, 53892, 60063, 80084, 80838, 107784, 120126, 121257, 160168, 161676, 180189, 240252, 242514, 323352, 360378, 480504, 485028, 540567, 720756, 970056, 1081134, 1441512, 1621701, 2162268, 3243402, 4324536, 4865103, 6486804, 9730206, 9990479, 12973608, 19460412, 19980958, 29971437, 38920824, 39961916, 59942874, 79923832, 89914311, 119885748, 179828622, 239771496, 269742933, 359657244, 539485866, 719314488, 809228799, 1078971732, 1618457598, 2157943464, 2427686397, 3236915196, 4855372794, 6473830392, 9710745588, 19421491176]

約数ペア:

[(1, 19421491176), (2, 9710745588), (3, 6473830392), (4, 4855372794), (6, 3236915196), (8, 2427686397), (9, 2157943464), (12, 1618457598), (18, 1078971732), (24, 809228799), (27, 719314488), (36, 539485866), (54, 359657244), (72, 269742933), (81, 239771496), (108, 179828622), (162, 119885748), (216, 89914311), (243, 79923832), (324, 59942874), (486, 39961916), (499, 38920824), (648, 29971437), (972, 19980958), (998, 19460412), (1497, 12973608), (1944, 9990479), (1996, 9730206), (2994, 6486804), (3992, 4865103), (4491, 4324536), (5988, 3243402), (8982, 2162268), (11976, 1621701), (13473, 1441512), (17964, 1081134), (20021, 970056), (26946, 720756), (35928, 540567), (40042, 485028), (40419, 480504), (53892, 360378), (60063, 323352), (80084, 242514), (80838, 240252), (107784, 180189), (120126, 161676), (121257, 160168)]