19955369330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{153502841}}^1$

素因数の和:153502861

約数の個数: 16

約数和(自身を含む): 38682716184

約数和(自身を除く): 18727346854

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 153502841, 307005682, 767514205, 1535028410, 1995536933, 3991073866, 9977684665, 19955369330]

約数ペア:

[(1, 19955369330), (2, 9977684665), (5, 3991073866), (10, 1995536933), (13, 1535028410), (26, 767514205), (65, 307005682), (130, 153502841)]