1898884

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^2$

素因数の和:136

約数の個数: 27

約数和(自身を含む): 3667503

約数和(自身を除く): 1768619

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 1378, 2756, 2809, 5618, 8957, 11236, 17914, 35828, 36517, 73034, 146068, 474721, 949442, 1898884]

約数ペア:

[(1, 1898884), (2, 949442), (4, 474721), (13, 146068), (26, 73034), (52, 36517), (53, 35828), (106, 17914), (169, 11236), (212, 8957), (338, 5618), (676, 2809), (689, 2756)]