19701963

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2111}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 30640896

約数和(自身を除く): 10938933

約数列:

[1, 3, 9, 17, 51, 61, 153, 183, 549, 1037, 2111, 3111, 6333, 9333, 18999, 35887, 107661, 128771, 322983, 386313, 1158939, 2189107, 6567321, 19701963]

約数ペア:

[(1, 19701963), (3, 6567321), (9, 2189107), (17, 1158939), (51, 386313), (61, 322983), (153, 128771), (183, 107661), (549, 35887), (1037, 18999), (2111, 9333), (3111, 6333)]