19909980248

素因数分解:

$2^3\times {\mathrm{199}}^1\times {\mathrm{12506269}}^1$

素因数の和:12506474

約数の個数: 16

約数和(自身を含む): 37518810000

約数和(自身を除く): 17608829752

約数列:

[1, 2, 4, 8, 199, 398, 796, 1592, 12506269, 25012538, 50025076, 100050152, 2488747531, 4977495062, 9954990124, 19909980248]

約数ペア:

[(1, 19909980248), (2, 9954990124), (4, 4977495062), (8, 2488747531), (199, 100050152), (398, 50025076), (796, 25012538), (1592, 12506269)]