18484378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{44221}}^1$

素因数の和:44253

約数の個数: 16

約数和(自身を含む): 31839840

約数和(自身を除く): 13355462

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 44221, 88442, 486431, 840199, 972862, 1680398, 9242189, 18484378]

約数ペア:

[(1, 18484378), (2, 9242189), (11, 1680398), (19, 972862), (22, 840199), (38, 486431), (209, 88442), (418, 44221)]