18710216

素因数分解:

$2^3\times 7^1\times {\mathrm{229}}^1\times {\mathrm{1459}}^1$

素因数の和:1701

約数の個数: 32

約数和(自身を含む): 40296000

約数和(自身を除く): 21585784

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 229, 458, 916, 1459, 1603, 1832, 2918, 3206, 5836, 6412, 10213, 11672, 12824, 20426, 40852, 81704, 334111, 668222, 1336444, 2338777, 2672888, 4677554, 9355108, 18710216]

約数ペア:

[(1, 18710216), (2, 9355108), (4, 4677554), (7, 2672888), (8, 2338777), (14, 1336444), (28, 668222), (56, 334111), (229, 81704), (458, 40852), (916, 20426), (1459, 12824), (1603, 11672), (1832, 10213), (2918, 6412), (3206, 5836)]