19428739

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1106

約数の個数: 16

約数和(自身を含む): 22674816

約数和(自身を除く): 3246077

約数列:

[1, 11, 17, 107, 187, 971, 1177, 1819, 10681, 16507, 20009, 103897, 181577, 1142867, 1766249, 19428739]

約数ペア:

[(1, 19428739), (11, 1766249), (17, 1142867), (107, 181577), (187, 103897), (971, 20009), (1177, 16507), (1819, 10681)]