19208656

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{19681}}^1$

素因数の和:19750

約数の個数: 20

約数和(自身を含む): 37828804

約数和(自身を除く): 18620148

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 19681, 39362, 78724, 157448, 314896, 1200541, 2401082, 4802164, 9604328, 19208656]

約数ペア:

[(1, 19208656), (2, 9604328), (4, 4802164), (8, 2401082), (16, 1200541), (61, 314896), (122, 157448), (244, 78724), (488, 39362), (976, 19681)]