19404584

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{269}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 17920216

約数列:

[1, 2, 4, 8, 71, 127, 142, 254, 269, 284, 508, 538, 568, 1016, 1076, 2152, 9017, 18034, 19099, 34163, 36068, 38198, 68326, 72136, 76396, 136652, 152792, 273304, 2425573, 4851146, 9702292, 19404584]

約数ペア:

[(1, 19404584), (2, 9702292), (4, 4851146), (8, 2425573), (71, 273304), (127, 152792), (142, 136652), (254, 76396), (269, 72136), (284, 68326), (508, 38198), (538, 36068), (568, 34163), (1016, 19099), (1076, 18034), (2152, 9017)]