19921405

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1033}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 29779200

約数和(自身を除く): 9857795

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 1015, 1033, 2755, 3857, 5165, 7231, 19285, 19627, 29957, 36155, 98135, 137389, 149785, 209699, 569183, 686945, 1048495, 2845915, 3984281, 19921405]

約数ペア:

[(1, 19921405), (5, 3984281), (7, 2845915), (19, 1048495), (29, 686945), (35, 569183), (95, 209699), (133, 149785), (145, 137389), (203, 98135), (551, 36155), (665, 29957), (1015, 19627), (1033, 19285), (2755, 7231), (3857, 5165)]