19638704

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{64601}}^1$

素因数の和:64628

約数の個数: 20

約数和(自身を含む): 40053240

約数和(自身を除く): 20414536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 64601, 129202, 258404, 516808, 1033616, 1227419, 2454838, 4909676, 9819352, 19638704]

約数ペア:

[(1, 19638704), (2, 9819352), (4, 4909676), (8, 2454838), (16, 1227419), (19, 1033616), (38, 516808), (76, 258404), (152, 129202), (304, 64601)]