18666512

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61403}}^1$

素因数の和:61430

約数の個数: 20

約数和(自身を含む): 38070480

約数和(自身を除く): 19403968

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 61403, 122806, 245612, 491224, 982448, 1166657, 2333314, 4666628, 9333256, 18666512]

約数ペア:

[(1, 18666512), (2, 9333256), (4, 4666628), (8, 2333314), (16, 1166657), (19, 982448), (38, 491224), (76, 245612), (152, 122806), (304, 61403)]