18444965680

素因数分解:

$2^4\times 5^1\times {\mathrm{230562071}}^1$

素因数の和:230562084

約数の個数: 20

約数和(自身を含む): 42884545392

約数和(自身を除く): 24439579712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230562071, 461124142, 922248284, 1152810355, 1844496568, 2305620710, 3688993136, 4611241420, 9222482840, 18444965680]

約数ペア:

[(1, 18444965680), (2, 9222482840), (4, 4611241420), (5, 3688993136), (8, 2305620710), (10, 1844496568), (16, 1152810355), (20, 922248284), (40, 461124142), (80, 230562071)]