18081749

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{257}}^1$

素因数の和:329

約数の個数: 24

約数和(自身を含む): 22827840

約数和(自身を除く): 4746091

約数列:

[1, 7, 19, 23, 133, 161, 257, 437, 529, 1799, 3059, 3703, 4883, 5911, 10051, 34181, 41377, 70357, 112309, 135953, 786163, 951671, 2583107, 18081749]

約数ペア:

[(1, 18081749), (7, 2583107), (19, 951671), (23, 786163), (133, 135953), (161, 112309), (257, 70357), (437, 41377), (529, 34181), (1799, 10051), (3059, 5911), (3703, 4883)]