18372879

素因数分解:

$3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2371}}^1$

素因数の和:2428

約数の個数: 32

約数和(自身を含む): 31879680

約数和(自身を除く): 13506801

約数列:

[1, 3, 7, 9, 21, 27, 41, 63, 123, 189, 287, 369, 861, 1107, 2371, 2583, 7113, 7749, 16597, 21339, 49791, 64017, 97211, 149373, 291633, 448119, 680477, 874899, 2041431, 2624697, 6124293, 18372879]

約数ペア:

[(1, 18372879), (3, 6124293), (7, 2624697), (9, 2041431), (21, 874899), (27, 680477), (41, 448119), (63, 291633), (123, 149373), (189, 97211), (287, 64017), (369, 49791), (861, 21339), (1107, 16597), (2371, 7749), (2583, 7113)]