19986226

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{4603}}^1$

素因数の和:4785

約数の個数: 16

約数和(自身を含む): 32485824

約数和(自身を除く): 12499598

約数列:

[1, 2, 13, 26, 167, 334, 2171, 4342, 4603, 9206, 59839, 119678, 768701, 1537402, 9993113, 19986226]

約数ペア:

[(1, 19986226), (2, 9993113), (13, 1537402), (26, 768701), (167, 119678), (334, 59839), (2171, 9206), (4342, 4603)]