19941009

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{311}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 30551040

約数和(自身を除く): 10610031

約数列:

[1, 3, 11, 29, 33, 67, 87, 201, 311, 319, 737, 933, 957, 1943, 2211, 3421, 5829, 9019, 10263, 20837, 21373, 27057, 62511, 64119, 99209, 229207, 297627, 604273, 687621, 1812819, 6647003, 19941009]

約数ペア:

[(1, 19941009), (3, 6647003), (11, 1812819), (29, 687621), (33, 604273), (67, 297627), (87, 229207), (201, 99209), (311, 64119), (319, 62511), (737, 27057), (933, 21373), (957, 20837), (1943, 10263), (2211, 9019), (3421, 5829)]