19315736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1103}}^1$

素因数の和:1319

約数の個数: 32

約数和(自身を含む): 39744000

約数和(自身を除く): 20428264

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1103, 1592, 2189, 2206, 4378, 4412, 8756, 8824, 12133, 17512, 24266, 48532, 97064, 219497, 438994, 877988, 1755976, 2414467, 4828934, 9657868, 19315736]

約数ペア:

[(1, 19315736), (2, 9657868), (4, 4828934), (8, 2414467), (11, 1755976), (22, 877988), (44, 438994), (88, 219497), (199, 97064), (398, 48532), (796, 24266), (1103, 17512), (1592, 12133), (2189, 8824), (2206, 8756), (4378, 4412)]