19991774878

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{479}}^1\times {\mathrm{353699}}^1$

素因数の和:354239

約数の個数: 16

約数和(自身を含む): 30559680000

約数和(自身を除く): 10567905122

約数列:

[1, 2, 59, 118, 479, 958, 28261, 56522, 353699, 707398, 20868241, 41736482, 169421821, 338843642, 9995887439, 19991774878]

約数ペア:

[(1, 19991774878), (2, 9995887439), (59, 338843642), (118, 169421821), (479, 41736482), (958, 20868241), (28261, 707398), (56522, 353699)]