19378970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149069}}^1$

素因数の和:149089

約数の個数: 16

約数和(自身を含む): 37565640

約数和(自身を除く): 18186670

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149069, 298138, 745345, 1490690, 1937897, 3875794, 9689485, 19378970]

約数ペア:

[(1, 19378970), (2, 9689485), (5, 3875794), (10, 1937897), (13, 1490690), (26, 745345), (65, 298138), (130, 149069)]