16491620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43399}}^1$

素因数の和:43427

約数の個数: 24

約数和(自身を含む): 36456000

約数和(自身を除く): 19964380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 43399, 86798, 173596, 216995, 433990, 824581, 867980, 1649162, 3298324, 4122905, 8245810, 16491620]

約数ペア:

[(1, 16491620), (2, 8245810), (4, 4122905), (5, 3298324), (10, 1649162), (19, 867980), (20, 824581), (38, 433990), (76, 216995), (95, 173596), (190, 86798), (380, 43399)]