16664140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43853}}^1$

素因数の和:43881

約数の個数: 24

約数和(自身を含む): 36837360

約数和(自身を除く): 20173220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 43853, 87706, 175412, 219265, 438530, 833207, 877060, 1666414, 3332828, 4166035, 8332070, 16664140]

約数ペア:

[(1, 16664140), (2, 8332070), (4, 4166035), (5, 3332828), (10, 1666414), (19, 877060), (20, 833207), (38, 438530), (76, 219265), (95, 175412), (190, 87706), (380, 43853)]