19881660799

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{192833}}^1$

素因数の和:192967

約数の個数: 32

約数和(自身を含む): 26953565184

約数和(自身を除く): 7071904385

約数列:

[1, 7, 11, 13, 77, 91, 103, 143, 721, 1001, 1133, 1339, 7931, 9373, 14729, 103103, 192833, 1349831, 2121163, 2506829, 14848141, 17547803, 19861799, 27575119, 139032593, 193025833, 218479789, 258203387, 1529358523, 1807423709, 2840237257, 19881660799]

約数ペア:

[(1, 19881660799), (7, 2840237257), (11, 1807423709), (13, 1529358523), (77, 258203387), (91, 218479789), (103, 193025833), (143, 139032593), (721, 27575119), (1001, 19861799), (1133, 17547803), (1339, 14848141), (7931, 2506829), (9373, 2121163), (14729, 1349831), (103103, 192833)]