18259438

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1\times {\mathrm{571}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 28005120

約数和(自身を除く): 9745682

約数列:

[1, 2, 59, 118, 271, 542, 571, 1142, 15989, 31978, 33689, 67378, 154741, 309482, 9129719, 18259438]

約数ペア:

[(1, 18259438), (2, 9129719), (59, 309482), (118, 154741), (271, 67378), (542, 33689), (571, 31978), (1142, 15989)]