18904183

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{239}}^1$

素因数の和:462

約数の個数: 16

約数和(自身を含む): 20966400

約数和(自身を除く): 2062217

約数列:

[1, 19, 23, 181, 239, 437, 3439, 4163, 4541, 5497, 43259, 79097, 104443, 821921, 994957, 18904183]

約数ペア:

[(1, 18904183), (19, 994957), (23, 821921), (181, 104443), (239, 79097), (437, 43259), (3439, 5497), (4163, 4541)]