31988666

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{7723}}^1$

素因数の和:7853

約数の個数: 16

約数和(自身を含む): 50978400

約数和(自身を除く): 18989734

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 7723, 15446, 146737, 293474, 841807, 1683614, 15994333, 31988666]

約数ペア:

[(1, 31988666), (2, 15994333), (19, 1683614), (38, 841807), (109, 293474), (218, 146737), (2071, 15446), (4142, 7723)]