19950148

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:627

約数の個数: 24

約数和(自身を含む): 35683200

約数和(自身を除く): 15733052

約数列:

[1, 2, 4, 71, 142, 199, 284, 353, 398, 706, 796, 1412, 14129, 25063, 28258, 50126, 56516, 70247, 100252, 140494, 280988, 4987537, 9975074, 19950148]

約数ペア:

[(1, 19950148), (2, 9975074), (4, 4987537), (71, 280988), (142, 140494), (199, 100252), (284, 70247), (353, 56516), (398, 50126), (706, 28258), (796, 25063), (1412, 14129)]