19504927080

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{521}}^1\times {\mathrm{103993}}^1$

素因数の和:104531

約数の個数: 96

約数和(自身を含む): 63513295560

約数和(自身を除く): 44008368480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 521, 1042, 1563, 2084, 2605, 3126, 4168, 4689, 5210, 6252, 7815, 9378, 10420, 12504, 15630, 18756, 20840, 23445, 31260, 37512, 46890, 62520, 93780, 103993, 187560, 207986, 311979, 415972, 519965, 623958, 831944, 935937, 1039930, 1247916, 1559895, 1871874, 2079860, 2495832, 3119790, 3743748, 4159720, 4679685, 6239580, 7487496, 9359370, 12479160, 18718740, 37437480, 54180353, 108360706, 162541059, 216721412, 270901765, 325082118, 433442824, 487623177, 541803530, 650164236, 812705295, 975246354, 1083607060, 1300328472, 1625410590, 1950492708, 2167214120, 2438115885, 3250821180, 3900985416, 4876231770, 6501642360, 9752463540, 19504927080]

約数ペア:

[(1, 19504927080), (2, 9752463540), (3, 6501642360), (4, 4876231770), (5, 3900985416), (6, 3250821180), (8, 2438115885), (9, 2167214120), (10, 1950492708), (12, 1625410590), (15, 1300328472), (18, 1083607060), (20, 975246354), (24, 812705295), (30, 650164236), (36, 541803530), (40, 487623177), (45, 433442824), (60, 325082118), (72, 270901765), (90, 216721412), (120, 162541059), (180, 108360706), (360, 54180353), (521, 37437480), (1042, 18718740), (1563, 12479160), (2084, 9359370), (2605, 7487496), (3126, 6239580), (4168, 4679685), (4689, 4159720), (5210, 3743748), (6252, 3119790), (7815, 2495832), (9378, 2079860), (10420, 1871874), (12504, 1559895), (15630, 1247916), (18756, 1039930), (20840, 935937), (23445, 831944), (31260, 623958), (37512, 519965), (46890, 415972), (62520, 311979), (93780, 207986), (103993, 187560)]