19508720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3167}}^1$

素因数の和:3198

約数の個数: 80

約数和(自身を含む): 56567808

約数和(自身を除く): 37059088

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 3167, 6160, 6334, 12668, 15835, 22169, 25336, 31670, 34837, 44338, 50672, 63340, 69674, 88676, 110845, 126680, 139348, 174185, 177352, 221690, 243859, 253360, 278696, 348370, 354704, 443380, 487718, 557392, 696740, 886760, 975436, 1219295, 1393480, 1773520, 1950872, 2438590, 2786960, 3901744, 4877180, 9754360, 19508720]

約数ペア:

[(1, 19508720), (2, 9754360), (4, 4877180), (5, 3901744), (7, 2786960), (8, 2438590), (10, 1950872), (11, 1773520), (14, 1393480), (16, 1219295), (20, 975436), (22, 886760), (28, 696740), (35, 557392), (40, 487718), (44, 443380), (55, 354704), (56, 348370), (70, 278696), (77, 253360), (80, 243859), (88, 221690), (110, 177352), (112, 174185), (140, 139348), (154, 126680), (176, 110845), (220, 88676), (280, 69674), (308, 63340), (385, 50672), (440, 44338), (560, 34837), (616, 31670), (770, 25336), (880, 22169), (1232, 15835), (1540, 12668), (3080, 6334), (3167, 6160)]