181818278

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:452

約数の個数: 32

約数和(自身を含む): 285742080

約数和(自身を除く): 103923802

約数列:

[1, 2, 47, 89, 94, 103, 178, 206, 211, 422, 4183, 4841, 8366, 9167, 9682, 9917, 18334, 18779, 19834, 21733, 37558, 43466, 430849, 861698, 882613, 1021451, 1765226, 1934237, 2042902, 3868474, 90909139, 181818278]

約数ペア:

[(1, 181818278), (2, 90909139), (47, 3868474), (89, 2042902), (94, 1934237), (103, 1765226), (178, 1021451), (206, 882613), (211, 861698), (422, 430849), (4183, 43466), (4841, 37558), (8366, 21733), (9167, 19834), (9682, 18779), (9917, 18334)]