18091287

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2251}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 28104960

約数和(自身を除く): 10013673

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2251, 2679, 6753, 8037, 20259, 42769, 105797, 128307, 317391, 384921, 952173, 2010143, 6030429, 18091287]

約数ペア:

[(1, 18091287), (3, 6030429), (9, 2010143), (19, 952173), (47, 384921), (57, 317391), (141, 128307), (171, 105797), (423, 42769), (893, 20259), (2251, 8037), (2679, 6753)]