16681278

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1117}}^1$

素因数の和:1272

約数の個数: 32

約数和(自身を含む): 35418240

約数和(自身を除く): 18736962

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 131, 262, 393, 786, 1117, 2234, 2489, 3351, 4978, 6702, 7467, 14934, 21223, 42446, 63669, 127338, 146327, 292654, 438981, 877962, 2780213, 5560426, 8340639, 16681278]

約数ペア:

[(1, 16681278), (2, 8340639), (3, 5560426), (6, 2780213), (19, 877962), (38, 438981), (57, 292654), (114, 146327), (131, 127338), (262, 63669), (393, 42446), (786, 21223), (1117, 14934), (2234, 7467), (2489, 6702), (3351, 4978)]