19397988

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4177}}^1$

素因数の和:4233

約数の個数: 48

約数和(自身を含む): 51472960

約数和(自身を除く): 32074972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4177, 4644, 8354, 12531, 16708, 25062, 37593, 50124, 75186, 112779, 150372, 179611, 225558, 359222, 451116, 538833, 718444, 1077666, 1616499, 2155332, 3232998, 4849497, 6465996, 9698994, 19397988]

約数ペア:

[(1, 19397988), (2, 9698994), (3, 6465996), (4, 4849497), (6, 3232998), (9, 2155332), (12, 1616499), (18, 1077666), (27, 718444), (36, 538833), (43, 451116), (54, 359222), (86, 225558), (108, 179611), (129, 150372), (172, 112779), (258, 75186), (387, 50124), (516, 37593), (774, 25062), (1161, 16708), (1548, 12531), (2322, 8354), (4177, 4644)]