19921365

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26041}}^1$

素因数の和:26069

約数の個数: 24

約数和(自身を含む): 36562968

約数和(自身を除く): 16641603

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 26041, 78123, 130205, 234369, 390615, 442697, 1171845, 1328091, 2213485, 3984273, 6640455, 19921365]

約数ペア:

[(1, 19921365), (3, 6640455), (5, 3984273), (9, 2213485), (15, 1328091), (17, 1171845), (45, 442697), (51, 390615), (85, 234369), (153, 130205), (255, 78123), (765, 26041)]