18723663

素因数分解:

$3^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{631}}^1$

素因数の和:804

約数の個数: 32

約数和(自身を含む): 31953920

約数和(自身を除く): 13230257

約数列:

[1, 3, 7, 9, 21, 27, 63, 157, 189, 471, 631, 1099, 1413, 1893, 3297, 4239, 4417, 5679, 9891, 13251, 17037, 29673, 39753, 99067, 119259, 297201, 693469, 891603, 2080407, 2674809, 6241221, 18723663]

約数ペア:

[(1, 18723663), (3, 6241221), (7, 2674809), (9, 2080407), (21, 891603), (27, 693469), (63, 297201), (157, 119259), (189, 99067), (471, 39753), (631, 29673), (1099, 17037), (1413, 13251), (1893, 9891), (3297, 5679), (4239, 4417)]