19492099221

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{921743}}^1$

素因数の和:921825

約数の個数: 32

約数和(自身を含む): 31855472640

約数和(自身を除く): 12363373419

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 1007, 1113, 3021, 7049, 21147, 921743, 2765229, 6452201, 17513117, 19356603, 48852379, 52539351, 122591819, 146557137, 341966653, 367775457, 928195201, 1025899959, 2784585603, 6497366407, 19492099221]

約数ペア:

[(1, 19492099221), (3, 6497366407), (7, 2784585603), (19, 1025899959), (21, 928195201), (53, 367775457), (57, 341966653), (133, 146557137), (159, 122591819), (371, 52539351), (399, 48852379), (1007, 19356603), (1113, 17513117), (3021, 6452201), (7049, 2765229), (21147, 921743)]