18858756

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{647}}^1$

素因数の和:1008

約数の個数: 48

約数和(自身を含む): 50512896

約数和(自身を除く): 31654140

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 347, 647, 694, 1041, 1294, 1388, 1941, 2082, 2429, 2588, 3882, 4164, 4529, 4858, 7287, 7764, 9058, 9716, 13587, 14574, 18116, 27174, 29148, 54348, 224509, 449018, 673527, 898036, 1347054, 1571563, 2694108, 3143126, 4714689, 6286252, 9429378, 18858756]

約数ペア:

[(1, 18858756), (2, 9429378), (3, 6286252), (4, 4714689), (6, 3143126), (7, 2694108), (12, 1571563), (14, 1347054), (21, 898036), (28, 673527), (42, 449018), (84, 224509), (347, 54348), (647, 29148), (694, 27174), (1041, 18116), (1294, 14574), (1388, 13587), (1941, 9716), (2082, 9058), (2429, 7764), (2588, 7287), (3882, 4858), (4164, 4529)]