18910340

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3767}}^1$

素因数の和:4027

約数の個数: 24

約数和(自身を含む): 39880512

約数和(自身を除く): 20970172

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 3767, 5020, 7534, 15068, 18835, 37670, 75340, 945517, 1891034, 3782068, 4727585, 9455170, 18910340]

約数ペア:

[(1, 18910340), (2, 9455170), (4, 4727585), (5, 3782068), (10, 1891034), (20, 945517), (251, 75340), (502, 37670), (1004, 18835), (1255, 15068), (2510, 7534), (3767, 5020)]