19396818

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1$

素因数の和:871

約数の個数: 48

約数和(自身を含む): 48297600

約数和(自身を除く): 28900782

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 257, 514, 599, 771, 1198, 1542, 1797, 1799, 2313, 3594, 3598, 4193, 4626, 5391, 5397, 8386, 10782, 10794, 12579, 16191, 25158, 32382, 37737, 75474, 153943, 307886, 461829, 923658, 1077601, 1385487, 2155202, 2770974, 3232803, 6465606, 9698409, 19396818]

約数ペア:

[(1, 19396818), (2, 9698409), (3, 6465606), (6, 3232803), (7, 2770974), (9, 2155202), (14, 1385487), (18, 1077601), (21, 923658), (42, 461829), (63, 307886), (126, 153943), (257, 75474), (514, 37737), (599, 32382), (771, 25158), (1198, 16191), (1542, 12579), (1797, 10794), (1799, 10782), (2313, 8386), (3594, 5397), (3598, 5391), (4193, 4626)]