19659366928

素因数分解:

$2^4\times {\mathrm{10091}}^1\times {\mathrm{121763}}^1$

素因数の和:131862

約数の個数: 20

約数和(自身を含む): 38094110928

約数和(自身を除く): 18434744000

約数列:

[1, 2, 4, 8, 16, 10091, 20182, 40364, 80728, 121763, 161456, 243526, 487052, 974104, 1948208, 1228710433, 2457420866, 4914841732, 9829683464, 19659366928]

約数ペア:

[(1, 19659366928), (2, 9829683464), (4, 4914841732), (8, 2457420866), (16, 1228710433), (10091, 1948208), (20182, 974104), (40364, 487052), (80728, 243526), (121763, 161456)]