19278273

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{17321}}^1$

素因数の和:17384

約数の個数: 16

約数和(自身を含む): 29932416

約数和(自身を除く): 10654143

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 17321, 51963, 121247, 363741, 918013, 2754039, 6426091, 19278273]

約数ペア:

[(1, 19278273), (3, 6426091), (7, 2754039), (21, 918013), (53, 363741), (159, 121247), (371, 51963), (1113, 17321)]