18975852

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:567

約数の個数: 72

約数和(自身を含む): 55220256

約数和(自身を除く): 36244404

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 293, 514, 586, 771, 879, 1028, 1172, 1542, 1758, 1799, 2051, 2313, 2637, 3084, 3516, 3598, 4102, 4626, 5274, 5397, 6153, 7196, 8204, 9252, 10548, 10794, 12306, 16191, 18459, 21588, 24612, 32382, 36918, 64764, 73836, 75301, 150602, 225903, 301204, 451806, 527107, 677709, 903612, 1054214, 1355418, 1581321, 2108428, 2710836, 3162642, 4743963, 6325284, 9487926, 18975852]

約数ペア:

[(1, 18975852), (2, 9487926), (3, 6325284), (4, 4743963), (6, 3162642), (7, 2710836), (9, 2108428), (12, 1581321), (14, 1355418), (18, 1054214), (21, 903612), (28, 677709), (36, 527107), (42, 451806), (63, 301204), (84, 225903), (126, 150602), (252, 75301), (257, 73836), (293, 64764), (514, 36918), (586, 32382), (771, 24612), (879, 21588), (1028, 18459), (1172, 16191), (1542, 12306), (1758, 10794), (1799, 10548), (2051, 9252), (2313, 8204), (2637, 7196), (3084, 6153), (3516, 5397), (3598, 5274), (4102, 4626)]