18236449

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^2\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 24

約数和(自身を含む): 23502528

約数和(自身を除く): 5266079

約数列:

[1, 7, 11, 37, 77, 173, 259, 407, 1211, 1369, 1903, 2849, 6401, 9583, 13321, 15059, 44807, 70411, 105413, 236837, 492877, 1657859, 2605207, 18236449]

約数ペア:

[(1, 18236449), (7, 2605207), (11, 1657859), (37, 492877), (77, 236837), (173, 105413), (259, 70411), (407, 44807), (1211, 15059), (1369, 13321), (1903, 9583), (2849, 6401)]