20161819923

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{100459}}^1$

素因数の和:100991

約数の個数: 32

約数和(自身を含む): 32404377600

約数和(自身を除く): 12242557677

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 503, 1509, 3521, 9557, 10563, 28671, 66899, 100459, 200697, 301377, 703213, 1908721, 2109639, 5726163, 13361047, 40083141, 50530877, 151592631, 353716139, 960086663, 1061148417, 2880259989, 6720606641, 20161819923]

約数ペア:

[(1, 20161819923), (3, 6720606641), (7, 2880259989), (19, 1061148417), (21, 960086663), (57, 353716139), (133, 151592631), (399, 50530877), (503, 40083141), (1509, 13361047), (3521, 5726163), (9557, 2109639), (10563, 1908721), (28671, 703213), (66899, 301377), (100459, 200697)]