18734576

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{3559}}^1$

素因数の和:3621

約数の個数: 40

約数和(自身を含む): 42378240

約数和(自身を除く): 23643664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 658, 752, 1316, 2632, 3559, 5264, 7118, 14236, 24913, 28472, 49826, 56944, 99652, 167273, 199304, 334546, 398608, 669092, 1170911, 1338184, 2341822, 2676368, 4683644, 9367288, 18734576]

約数ペア:

[(1, 18734576), (2, 9367288), (4, 4683644), (7, 2676368), (8, 2341822), (14, 1338184), (16, 1170911), (28, 669092), (47, 398608), (56, 334546), (94, 199304), (112, 167273), (188, 99652), (329, 56944), (376, 49826), (658, 28472), (752, 24913), (1316, 14236), (2632, 7118), (3559, 5264)]