19805730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2549}}^1$

素因数の和:2603

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 36008670

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 37, 42, 70, 74, 105, 111, 185, 210, 222, 259, 370, 518, 555, 777, 1110, 1295, 1554, 2549, 2590, 3885, 5098, 7647, 7770, 12745, 15294, 17843, 25490, 35686, 38235, 53529, 76470, 89215, 94313, 107058, 178430, 188626, 267645, 282939, 471565, 535290, 565878, 660191, 943130, 1320382, 1414695, 1980573, 2829390, 3300955, 3961146, 6601910, 9902865, 19805730]

約数ペア:

[(1, 19805730), (2, 9902865), (3, 6601910), (5, 3961146), (6, 3300955), (7, 2829390), (10, 1980573), (14, 1414695), (15, 1320382), (21, 943130), (30, 660191), (35, 565878), (37, 535290), (42, 471565), (70, 282939), (74, 267645), (105, 188626), (111, 178430), (185, 107058), (210, 94313), (222, 89215), (259, 76470), (370, 53529), (518, 38235), (555, 35686), (777, 25490), (1110, 17843), (1295, 15294), (1554, 12745), (2549, 7770), (2590, 7647), (3885, 5098)]