18889382

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:392

約数の個数: 32

約数和(自身を含む): 31471200

約数和(自身を除く): 12581818

約数列:

[1, 2, 19, 29, 38, 58, 61, 122, 281, 551, 562, 1102, 1159, 1769, 2318, 3538, 5339, 8149, 10678, 16298, 17141, 33611, 34282, 67222, 154831, 309662, 325679, 497089, 651358, 994178, 9444691, 18889382]

約数ペア:

[(1, 18889382), (2, 9444691), (19, 994178), (29, 651358), (38, 497089), (58, 325679), (61, 309662), (122, 154831), (281, 67222), (551, 34282), (562, 33611), (1102, 17141), (1159, 16298), (1769, 10678), (2318, 8149), (3538, 5339)]