19784368

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{26309}}^1$

素因数の和:26364

約数の個数: 20

約数和(自身を含む): 39149280

約数和(自身を除く): 19364912

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 26309, 52618, 105236, 210472, 420944, 1236523, 2473046, 4946092, 9892184, 19784368]

約数ペア:

[(1, 19784368), (2, 9892184), (4, 4946092), (8, 2473046), (16, 1236523), (47, 420944), (94, 210472), (188, 105236), (376, 52618), (752, 26309)]