2019089420

素因数分解:

$2^2\times 5^1\times {\mathrm{100954471}}^1$

素因数の和:100954480

約数の個数: 12

約数和(自身を含む): 4240087824

約数和(自身を除く): 2220998404

約数列:

[1, 2, 4, 5, 10, 20, 100954471, 201908942, 403817884, 504772355, 1009544710, 2019089420]

約数ペア:

[(1, 2019089420), (2, 1009544710), (4, 504772355), (5, 403817884), (10, 201908942), (20, 100954471)]