18806172

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20353}}^1$

素因数の和:20378

約数の個数: 48

約数和(自身を含む): 54711552

約数和(自身を除く): 35905380

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20353, 40706, 61059, 81412, 122118, 142471, 223883, 244236, 284942, 427413, 447766, 569884, 671649, 854826, 895532, 1343298, 1567181, 1709652, 2686596, 3134362, 4701543, 6268724, 9403086, 18806172]

約数ペア:

[(1, 18806172), (2, 9403086), (3, 6268724), (4, 4701543), (6, 3134362), (7, 2686596), (11, 1709652), (12, 1567181), (14, 1343298), (21, 895532), (22, 854826), (28, 671649), (33, 569884), (42, 447766), (44, 427413), (66, 284942), (77, 244236), (84, 223883), (132, 142471), (154, 122118), (231, 81412), (308, 61059), (462, 40706), (924, 20353)]