19199320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{359}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 30567080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 191, 280, 359, 382, 718, 764, 955, 1337, 1436, 1528, 1795, 1910, 2513, 2674, 2872, 3590, 3820, 5026, 5348, 6685, 7180, 7640, 10052, 10696, 12565, 13370, 14360, 20104, 25130, 26740, 50260, 53480, 68569, 100520, 137138, 274276, 342845, 479983, 548552, 685690, 959966, 1371380, 1919932, 2399915, 2742760, 3839864, 4799830, 9599660, 19199320]

約数ペア:

[(1, 19199320), (2, 9599660), (4, 4799830), (5, 3839864), (7, 2742760), (8, 2399915), (10, 1919932), (14, 1371380), (20, 959966), (28, 685690), (35, 548552), (40, 479983), (56, 342845), (70, 274276), (140, 137138), (191, 100520), (280, 68569), (359, 53480), (382, 50260), (718, 26740), (764, 25130), (955, 20104), (1337, 14360), (1436, 13370), (1528, 12565), (1795, 10696), (1910, 10052), (2513, 7640), (2674, 7180), (2872, 6685), (3590, 5348), (3820, 5026)]