18432680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65831}}^1$

素因数の和:65849

約数の個数: 32

約数和(自身を含む): 47399040

約数和(自身を除く): 28966360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65831, 131662, 263324, 329155, 460817, 526648, 658310, 921634, 1316620, 1843268, 2304085, 2633240, 3686536, 4608170, 9216340, 18432680]

約数ペア:

[(1, 18432680), (2, 9216340), (4, 4608170), (5, 3686536), (7, 2633240), (8, 2304085), (10, 1843268), (14, 1316620), (20, 921634), (28, 658310), (35, 526648), (40, 460817), (56, 329155), (70, 263324), (140, 131662), (280, 65831)]