19489095

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{2657}}^1$

素因数の和:2831

約数の個数: 24

約数和(自身を含む): 34001136

約数和(自身を除く): 14512041

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 2657, 7335, 7971, 13285, 23913, 39855, 119565, 433091, 1299273, 2165455, 3897819, 6496365, 19489095]

約数ペア:

[(1, 19489095), (3, 6496365), (5, 3897819), (9, 2165455), (15, 1299273), (45, 433091), (163, 119565), (489, 39855), (815, 23913), (1467, 13285), (2445, 7971), (2657, 7335)]