19278939

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:267

約数の個数: 32

約数和(自身を含む): 28512000

約数和(自身を除く): 9233061

約数列:

[1, 3, 19, 29, 57, 87, 107, 109, 321, 327, 551, 1653, 2033, 2071, 3103, 3161, 6099, 6213, 9309, 9483, 11663, 34989, 58957, 60059, 176871, 180177, 221597, 338227, 664791, 1014681, 6426313, 19278939]

約数ペア:

[(1, 19278939), (3, 6426313), (19, 1014681), (29, 664791), (57, 338227), (87, 221597), (107, 180177), (109, 176871), (321, 60059), (327, 58957), (551, 34989), (1653, 11663), (2033, 9483), (2071, 9309), (3103, 6213), (3161, 6099)]