19806303

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1083

約数の個数: 32

約数和(自身を含む): 31334400

約数和(自身を除く): 11528097

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 1019, 1023, 1767, 3057, 6479, 11209, 19361, 19437, 31589, 33627, 58083, 94767, 212971, 347479, 600191, 638913, 1042437, 1800573, 6602101, 19806303]

約数ペア:

[(1, 19806303), (3, 6602101), (11, 1800573), (19, 1042437), (31, 638913), (33, 600191), (57, 347479), (93, 212971), (209, 94767), (341, 58083), (589, 33627), (627, 31589), (1019, 19437), (1023, 19361), (1767, 11209), (3057, 6479)]