19679212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{521}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 42094080

約数和(自身を除く): 22414868

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 71, 76, 133, 142, 266, 284, 497, 521, 532, 994, 1042, 1349, 1988, 2084, 2698, 3647, 5396, 7294, 9443, 9899, 14588, 18886, 19798, 36991, 37772, 39596, 69293, 73982, 138586, 147964, 258937, 277172, 517874, 702829, 1035748, 1405658, 2811316, 4919803, 9839606, 19679212]

約数ペア:

[(1, 19679212), (2, 9839606), (4, 4919803), (7, 2811316), (14, 1405658), (19, 1035748), (28, 702829), (38, 517874), (71, 277172), (76, 258937), (133, 147964), (142, 138586), (266, 73982), (284, 69293), (497, 39596), (521, 37772), (532, 36991), (994, 19798), (1042, 18886), (1349, 14588), (1988, 9899), (2084, 9443), (2698, 7294), (3647, 5396)]