19968816

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{577}}^1$

素因数の和:698

約数の個数: 80

約数和(自身を含む): 59631104

約数和(自身を除く): 39662288

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 103, 112, 168, 206, 309, 336, 412, 577, 618, 721, 824, 1154, 1236, 1442, 1648, 1731, 2163, 2308, 2472, 2884, 3462, 4039, 4326, 4616, 4944, 5768, 6924, 8078, 8652, 9232, 11536, 12117, 13848, 16156, 17304, 24234, 27696, 32312, 34608, 48468, 59431, 64624, 96936, 118862, 178293, 193872, 237724, 356586, 416017, 475448, 713172, 832034, 950896, 1248051, 1426344, 1664068, 2496102, 2852688, 3328136, 4992204, 6656272, 9984408, 19968816]

約数ペア:

[(1, 19968816), (2, 9984408), (3, 6656272), (4, 4992204), (6, 3328136), (7, 2852688), (8, 2496102), (12, 1664068), (14, 1426344), (16, 1248051), (21, 950896), (24, 832034), (28, 713172), (42, 475448), (48, 416017), (56, 356586), (84, 237724), (103, 193872), (112, 178293), (168, 118862), (206, 96936), (309, 64624), (336, 59431), (412, 48468), (577, 34608), (618, 32312), (721, 27696), (824, 24234), (1154, 17304), (1236, 16156), (1442, 13848), (1648, 12117), (1731, 11536), (2163, 9232), (2308, 8652), (2472, 8078), (2884, 6924), (3462, 5768), (4039, 4944), (4326, 4616)]