639903242

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1530869}}^1$

素因数の和:1530901

約数の個数: 16

約数和(自身を含む): 1102226400

約数和(自身を除く): 462323158

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 1530869, 3061738, 16839559, 29086511, 33679118, 58173022, 319951621, 639903242]

約数ペア:

[(1, 639903242), (2, 319951621), (11, 58173022), (19, 33679118), (22, 29086511), (38, 16839559), (209, 3061738), (418, 1530869)]