18850877586

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{658247}}^1$

素因数の和:658335

約数の個数: 48

約数和(自身を含む): 42923035584

約数和(自身を除く): 24072157998

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 774, 1591, 3182, 4773, 9546, 14319, 28638, 658247, 1316494, 1974741, 3949482, 5924223, 11848446, 24355139, 28304621, 48710278, 56609242, 73065417, 84913863, 146130834, 169827726, 219196251, 254741589, 438392502, 509483178, 1047270977, 2094541954, 3141812931, 6283625862, 9425438793, 18850877586]

約数ペア:

[(1, 18850877586), (2, 9425438793), (3, 6283625862), (6, 3141812931), (9, 2094541954), (18, 1047270977), (37, 509483178), (43, 438392502), (74, 254741589), (86, 219196251), (111, 169827726), (129, 146130834), (222, 84913863), (258, 73065417), (333, 56609242), (387, 48710278), (666, 28304621), (774, 24355139), (1591, 11848446), (3182, 5924223), (4773, 3949482), (9546, 1974741), (14319, 1316494), (28638, 658247)]