18434853340

素因数分解:

$2^2\times 5^1\times {\mathrm{921742667}}^1$

素因数の和:921742676

約数の個数: 12

約数和(自身を含む): 38713192056

約数和(自身を除く): 20278338716

約数列:

[1, 2, 4, 5, 10, 20, 921742667, 1843485334, 3686970668, 4608713335, 9217426670, 18434853340]

約数ペア:

[(1, 18434853340), (2, 9217426670), (4, 4608713335), (5, 3686970668), (10, 1843485334), (20, 921742667)]