19506256

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 28490672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 71, 77, 88, 112, 142, 154, 176, 223, 284, 308, 446, 497, 568, 616, 781, 892, 994, 1136, 1232, 1561, 1562, 1784, 1988, 2453, 3122, 3124, 3568, 3976, 4906, 5467, 6244, 6248, 7952, 9812, 10934, 12488, 12496, 15833, 17171, 19624, 21868, 24976, 31666, 34342, 39248, 43736, 63332, 68684, 87472, 110831, 126664, 137368, 174163, 221662, 253328, 274736, 348326, 443324, 696652, 886648, 1219141, 1393304, 1773296, 2438282, 2786608, 4876564, 9753128, 19506256]

約数ペア:

[(1, 19506256), (2, 9753128), (4, 4876564), (7, 2786608), (8, 2438282), (11, 1773296), (14, 1393304), (16, 1219141), (22, 886648), (28, 696652), (44, 443324), (56, 348326), (71, 274736), (77, 253328), (88, 221662), (112, 174163), (142, 137368), (154, 126664), (176, 110831), (223, 87472), (284, 68684), (308, 63332), (446, 43736), (497, 39248), (568, 34342), (616, 31666), (781, 24976), (892, 21868), (994, 19624), (1136, 17171), (1232, 15833), (1561, 12496), (1562, 12488), (1784, 10934), (1988, 9812), (2453, 7952), (3122, 6248), (3124, 6244), (3568, 5467), (3976, 4906)]